Magme Guru

Friday, January 31, 2020

TNPSC January 31, 2020

QUANTITATIVE APTITUDE - MENSURATION SET 06

MENSURATION SET 06

1. A room 24cm long and 32cm broad is to be paved with equal no of tiles. Find the no of largest tiles requires so that the tiles exactly fit.
A.15 B.12 C.17 D.19 E.None of these

2. A circular garden has a path of uniform width around it. The difference between outer and inner circumference of the circular path is 210cm.Find its width.
A.33.44cm B.30.34cm C.40.24cm D.28.64cm E.None of these

3. The length of a rectangular plot is 3 folds its width. Half the area of the plot is covered by a playground whose area is 363 square meter. What is the length of the plot?
A.18.50m B.13.61m C.17.21m D.15.51m E.None of these

4. A rectangular field has its length and breadth in the ratio 6:5 respectively. A man riding bicycle complete one lap of this field along its perimeter at the speed of 12kmph in 1.5m. What is the area of the field ?
A.5345 B.5487 C.5468 D.5460 E.None of these

5. One of the angles of a parallelogram is 65degree. What will be the sum of twice the largest angle and thrice the smallest angle of the parallelogram ?
A.460degree B.375degree C.235degree D.425degree E.None of these

6. The area of the square is three-fifth the area of a rectangle. The length of the rectangle is 25cm and breadth 10cm less than its length. What is the area of the square ?
A.20cm B.12cm C.15cm D.17cm E.None of these

7. What will be the cost of painting a hall whose area is 256sq m, if the rate of painting per sq m is Rs.22.
A.Rs.1256 B.Rs.1350 C.Rs.2225 D.Can’t be determined E.None of these

8. The width of a rectangle is 10 meter and its area is 120 square meter. If length of the rectangle is increased by 6.What is the new perimeter of the rectangle?
A.65 B.43 C.56 D.32 E.None of these

9. If the sides of a triangle measure 62cm, 70cm and 18cm, what is the measure of its in radius?
A.7cm B.6cm C.4cm D.9cm E.None of these

10. Four horses are tethered at 4 corners of a square field of side 60 meters so that they just cannot reach one another. The area left ungrazed by the horses is:
A.841m B.771m C.612m D.523m E.None of these

Answer Keys:
1. B
2. A
3. D
4. C
5. D
6. C
7. D
8. C
9. A
10. B

Magme Guru 0

TNPSC January 31, 2020

QUANTITATIVE APTITUDE - MENSURATION SET 05

MENSURATION SET 05

1. The edges of a cuboid are in the ratio 3:4:5 and its surface area is 188 sq.cm. The volume of the cuboid is
A)158.91 cubic cm B)168.29 cubic cm C)168.19 cubic cm D)186.91 cubic cm

2. A solid metallic cone of height 20cm radius of base 30 cm is melted to make spherical balls each of 10cm diameter. How many such balls can be made?
A)46 B)56 C)36 D)63

3. The length and breadth of a rectangle are increased by 32% and 25% respectively. Its area will be increased by
A)55% B)65% C)56% D)50%

4. A right triangle with sides 15,16 and 18cm is rotated about the side 15cm to form a cone. The volume of the cone will be
A)4011.65 cubic cm B)3022.65 cubic cm C)4022.85 cubic cm D)2022.65 cubic cm

5. After measuring 320m of a rope, it was discovered that the measuring metre rod was 6cm longer. The true length of the rope measured is
A)320m 860cm B)329m 60cm C)320m 60cm D)230m 860cm

6. If the height and the radius of the base of a cone are each increased by 100%, then the volume of the cone becomes
A)Twice the original B)Four time the original C)Eight times the original
D)Six times the original

7. The perimeter of a rhombus is 300cm. If one of its diagonals is 16cm then the area of the rhombus is
A)1129 sq cm B)1092 sq cm C)1022 sq cm D)1192 sq cm

8. The height of a cone is 60cm. A small cone is cut off at the top of by a plane parallel to its base. If its volume is 1/64 of volume of the cone, at what height above the base is the section made?
A) 17cm B) 20cm C) 23cm D) 15cm

9. Volume of a cube whose diagonal measures 36*root3 cm?
A)56356 B)34625 C)46656 D)25376

10. A wire when bent in the form of a square enclose an area of 841 sq cm. What will be enclosed area when the samd wire is bent into the form of a circle?
A) 1938.34 B)1069.83 C)2536.34 D)1938.33

Answer Keys:
1. C
2. C
3. B
4. C
5. B
6. C
7. D
8. D
9. C
10. B

Magme Guru 0

TNPSC January 31, 2020

QUANTITATIVE APTITUDE - MENSURATION SET 04

MENSURATION SET 04

1. The length of a rectangle is reduced by 30%. By what percent would the width have to be increased to maintain the original area?
A)25% B)42.86% C)32.76% D)35.50% E)None of these

2. A circular wire of radius 49 cm is cut and bent in the form of a rectangle whose sides are in the ratio of 4:7. The smaller side of the rectangle is
A)56cm B)48cm C)35cm D)42cm E)None of these

3. One of sides of a right-angled triangle is thrice the other, and the hypotenuse is 12 cm. The area of the triangle is
A) 25.4 cm^2 B)6 cm^2 C)5 cm^2 D)6 cm^2 E)None of these

4. A bottle in the shape of a right circular cone of height 21cm is filled with water. The water is poured in right circular cylindrical bottle whose radius is one third of the radius of the circular cone. Then the height of the water in the bottle is
A)72cm B)54cm C)63cm D)48cm E)None of these

5. The base of an isosceles triangle is 40cm and its area is 160cm2. The length of one of its equal side is
A)22cm B)20cm C)40cm D)35cm E)None of these

6. The circumference of a circle is twice the perimeter of a rectangle. The area of the circle is 3850sq cm. What is the area of the rectangle if the length of the rectangle is 30cm ?
A)750sq cm B)620sq cm C)700sq cm D)650sq cm E)None of these

7. Inside a square plot a circular garden is developed which exactly fits in the square plot and the diameter of the garden is equal to the side of the square plot which is 24m. What is the area of the space left out in the square plot after developing the garden ?
A) 120m^2 B) 110m^2 C) 125m^2 D) 150m^2 E)None of these

8. The ratio of the side of the room is 5:2, the cost of whitewashing the ceiling of the room at 50 paisa per square meter is Rs.2500 and the cost of preparing the walls at 30 paisa per square meter is Rs.2100. The height of the room is
A)31m B)36m C)23m D)20m E)None of these

9. There are 2 rectangular tanks A and B with lengths 12m and 15m in a square field. If the total area of the square field excluding the rectangular tanks is 360sq m and the breadth of both the rectangular tanks is 1/3 of the side of the square field, find the perimeter of the square field?
A)100m B)75m C)82m D)96m E)None of these

10. Meena wishes to start a 78sq m triangular flower garden. Since she has only 20m barbed wire, she fences three sides of the garden letting her house compound wall act as the fourth side fencing. The dimension of the garden is
A)12m*3m B)26m*13m C)16m*13m D)20m*11m E)None of these

Answer Keys:
1. B
2. A
3. D
4. C
5. A
6. A
7. A
8. C
9. D
10. B

Magme Guru 0

TNPSC January 31, 2020

QUANTITATIVE APTITUDE - MENSURATION SET 03

MENSURATION SET 03

1. The area of a square field is 4050 m^2 the length of its diagonal is
A)76m B)90m C)84m D)80m E)None of these

2. The Surface area of cube is 216 m2. Find it’s diagonal
A) 18.25m B) 10.38m C)13.56m D)20.67m E)None of these

3. The length of a rope by which a cow must be tethered in order that she may be able to graze an area of 2826 sq.m is
A)20m B)17m C)27m D)30m E)None of these

4. The number of rounds that a wheel of diameter14m will make in going 2 km is
A)62 rounds B)50 rounds C)45 rounds D) 56 rounds E)None of these

5. The ratio of length to breadth of a rectangle is 7:6. The perimeter of the plot is 260m. Find the area of the plot ?
A)4800sq.m B)5600sq.m C)4200sq.m D)2600sq.m E)None of these

6. In a parallelogram the length of adjacent sides are 13m and 11m. If the length of one diagonal is 18m, find the length of the other diagonal?
A)9m B)16m C)12m D)19m E)None of these

7. The circumference of the 2 circle is 212cm and 412cm. What is the difference between the areas of the 2 circles?
A) 10048cm^2 B) 10480cm^2 C) 10070cm^2 D) 10140cm^2 E)None of these

8. If the length of the rectangular field is increased by 10% and the breadth is reduced by 10%, now the area of rectangle will be 217 cm2 .Find the area of the original rectangle ?
A)210 cm^2 B)219 cm^2 C) 215 cm^2 D) 221 cm^2 E)None of these

9. The area of right angle triangle is 100sq cm. The ratio of base to its height is 4:5.Find the length of the hypotenuse ?
A)20cm B)22cm C)28cm D)30cm E)None of these

10. How many bricks, each measuring 20 cm x 8 cm x 5 cm, will be needed to build a wall of 10 m x 7 m x 20cm?
A) 16000 B) 11000 C) 12000 D) 17500 E) None of these

Answer Keys:
1. B
2. B
3. D
4. C
5. C
6. B
7. A
8. B
9. A
10. D

Magme Guru 0

TNPSC January 31, 2020

QUANTITATIVE APTITUDE - MENSURATION SET 02

MENSURATION SET 02

1. After measuring 100m of a rope, it was discovered that the metre rod was 2cm longer. The true length of the rod is
A)95m B)98m C)96m D)93m

2. A circle is drawn circumscribing a rectangle of sides 8cm and 6cm, find the area of the circle
A)78.5cm^2 B)82.7cm^2 C)65.4cm^2 D)54.9cm^2

3. If the sides of a equilateral triangle is increased by 10% , 30%and 60%then a new triangle is formed. By what % perimeter of the triangle is increased ?
A)40.50% B)32.45% C)33.33% D)35.67%

4. If length, breadth and height of a hall is 14m, 8m, 8m then find the diagonal of the hall?
A)15m B)17m C)19m D)18m

5. The base and the other side of an isosceles triangle is 8cm and 12cm. Find its triangle ?
A) 45.2 cm^2 B) 54.8 cm^2 C) 40.5 cm^2 D) 38.7 cm^2

6. Find the area of sheet required to prepare an 60m height cone with base radius 32cm.
A) 138625cm^2 B) 158510cm^2 C) 149607cm^2 D) 128612cm^2

7. A hall is 80m long 65m wide. It has to be designed by tiles of 15m*10m. Find no of tiles required?
A)41 B)37 C)35 D)33

8. Find the cost of carpenting a room 12 m long and 7 m broad with a carpet 10m long and 6m wide and at the rate of Rs.150 per meter.
A) Rs.320 B) Rs.210 C)Rs.200 D)Rs.235

9. The side of a cube is 13 cm, Find its surface area?
A) 1014cm^2 B) 1040cm^2 C) 1010cm^2 D) 1024cm^2

10. The length of box 12 Cm long, 6 Cm breadth and 4Cm height. Find the maximum length of scale in that box?
A)11 B)14 C)12 D)9

Answer Keys:
1. B
2. A
3. C
4. D
5. A
6. D
7. C
8. B
9. A
10. B

Magme Guru 0

TNPSC January 31, 2020

QUANTITATIVE APTITUDE - MENSURATION SET 01

MENSURATION SET 01

1. The area of a rectangular field is 3375 m^2 and its length and breadth are in the ratio 5:3. Find the breadth?
A) 125m B)45m C)225m D)65m

2. The perimeter of a square is twice the perimeter of a rectangle. If the perimeter of a square is 48cms and the length of the rectangle is 7cm. Find the breadth of the rectangle?
A)5cm B)4cm C)9cm D)6cm

3. The area of a square is 7sqm less than half of the area of a rectangle. The length of the rectangle is 14m and breadth is 6m less than its length. What is the perimeter of the square?
A) 42cm B) 32cm C) 22cm D) 28cm

4. A cow is tethered to a peg with 7m long rope at the corner of a 35m long and 20m wide rectangular grass field, What area of the field will the cow graze ?
A) 38.47m^2 B) 35.64m^2 C) 43.65m^2 D) 40m^2

5. Inside a square plot a circular garden is developed which exactly fits in the square plot and the diameter of the garden is equal to the side of the square plot which is 14m. What is the area of space left out in the square plot after developing the garden ?
A) 32m^2 B) 40m^2 C) 42m^2 D) 35m^2

6. The length of a rectangular floor is twice its breadth. If Rs.624 is required to paint the floor at the rate of Rs.8 psm. What is the breadth of the floor ?
A)6.24m B)5.10m C)7.8m D)4.6m

7. 5m radius and 12m height solid metallic cylinder is melted and recast into small spherical balls of radius 5m. Find the no of cubes that can be made?
A)3 B)2 C)1 D)5

8. 2 cubes have their volume in the ratio 1:8, find the ratio of their surface area ?
A)2:5 B)4:1 C)1:4 D)3:7

9. A square field has an area of 7396 sq m,find the cost of fencing around it at Rs.22 per meter ?
A)6754 B)7568 C)8765 D)7943

10. How many marbles of 10cm length and 7cm width are required to pave the floor of room 7m length and 4m breadth ?
A)4000 B)5100 C)2800 D)3200

Answer Keys:
1. B
2. A
3. D
4. A
5. C
6. A
7. B
8. C
9.B
10. A

Magme Guru 0

வரலாறு January 31, 2020

தமிழ்நாட்டில் சமுதாய மாற்றங்கள் பொருத்துக பகுதி 12

தமிழ்நாட்டில் சமுதாய மாற்றங்கள்

பொருத்துக பகுதி 12

1. விதவை மறுமணச் சட்டம் - 1856

2. திரு.சுப்பராயலு - 1920

3. எம்.கே.தியாகராஜ பாகவதர் - ஏழிசை மன்னர்

4. பெரியார் - திராவிடர் கழகம்

5. முத்துலெட்சுமி ரெட்டி பிறப்பு - 1886

6. நீதக்கட்சி - 1916

7. தராவிட முன்னேற்றக் கழகம் - 1949

8. ஈ.வே.ராமசாமி - பெரியார்

9. தியாகராயச் செட்டியார் - இலவச மதிய உணவுத்திட்டம்

10. இழவு வாரம் - எஸ்.தருமாம்பாள்

Magme Guru 0

வரலாறு January 31, 2020

தமிழ்நாட்டில் சமுதாய மாற்றங்கள் பொருத்துக பகுதி 11

தமிழ்நாட்டில் சமுதாய மாற்றங்கள்

பொருத்துக பகுதி 11

1. ஆந்திரா பல்கலைக்கழகம் - 1925

2. செக்ரடேரியட் - தலைமைச் செயலகம்

3. பணியாளர் தேர்வு வாரியம் - 1924

4. ஜவஹர்லால் நேரு - முதல் அரசியல் சட்டம்

5. இசை வேளாளர் மாநாடு - இராமாமிர்தம் அம்மையார்

6. சி.என். அண்ணாதுரை - 1909

7. அவ்வை இல்லம் - சாந்தோம்

8. முத்துலட்சுமி ரெட்டி - இந்தியாவின் முதல் பெண் மருத்துவர்

9. நீதிக்கட்சி - தென்னிந்திய நல உரிமைக் கழகம்

10. சுயமரியாதை இயக்கம் - 14 அம்ச சோஷலிச அறிக்கை

Magme Guru 0

வரலாறு January 31, 2020

தமிழ்நாட்டில் சமுதாய மாற்றங்கள் பொருத்துக பகுதி 10

தமிழ்நாட்டில் சமுதாய மாற்றங்கள்

பொருத்துக பகுதி 10

1. பெண்களுக்கு வாக்குரிமை - 1921

2. திரு.அவிநாசிலிங்கம் செட்டியார் - கல்வி அமைச்சர்

3. தமிழகம் - 1967

4. ஈ.வே.இராமசாமி - 14 அம்ச சோஷலிச அறிக்கை

5. அனைத்திந்தியப் பெண்கள் மாநாடு - 1930

6. சுயமரியாதை இயக்கம் - 1925

7. இந்து சமய அறநிலையச் சட்டம் - 1926

8. ஈ.வே.ராமசாமி - 1879

9. அண்ணாமலை பல்கலைக் கழகம் - 1929

10. சமூக அரசாணை - 1921 மற்றும் 1922

Magme Guru 0