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Directions: Study the given information carefully to answer the following questions.
A basket contains 3 blue, 5 black and 3 red balls.
If two balls are drawn at random, what is the probability that none of them is blue?

21/55

3/55

28/55

9/11

None of these

Directions: Study the given information carefully to answer the following questions. A basket contains 3 blue, 5 black and 3 red balls. If 2 balls are drawn at random, what is the probability that one is black and one is red?

2/11

8/11

9/11

3/11

None of these

Directions: Study the given information carefully to answer the following questions. A basket contains 3 blue, 5 black and 3 red balls. If 3 balls are drawn at random what is the probability that all are black?

2/33

1/11

3/11

8/11

None of these

A 180-metre-long train crosses a platform of equal length in 18 seconds. What is the speed of the train?

22 metres/second

10 metres/second

15 metres/second

18 metres/second

None of these

What would be the compound interest drawn on an amount of Rs.18,400 @ 12 p.c.p.a at the end of 3 years?

Rs.4680.96

Rs.7450.6752

Rs.6235.2143

Rs.8042.16

None of these

Directions: what should come in place of the question mark (?) in the following number series? 24 ? 109 134 150 159

71

65

86

53

None of these

Directions: what should come in place of the question mark (?) in the following number series? 17 9 10 ? 25 90

21

27.5

19

16.5

None of these

Directions: what should come in place of the question mark (?) in the following number series? 3 20 78 332 1680 ?

8410

9836

10098

1150

None of these

Directions: what should come in place of the question mark (?) in the following number series? 13 30 66 140 ? 592

210

290

428

430

None of these

Directions: what should come in place of the question mark (?) in the following number series? 3 5 15 ? 1125 84375

75

20

45

80

None of these

A boat takes 8 hours to cover a distance while traveling upstream, whereas while traveling downstream t takes 6 hours. If the speed of the current is 4 kmph, what is the speed of the boat in still water?

12 kmph

28 kmph

16 kmph

Cannot be determined

None of these

The magnitude of the area of a circle is seven times that of its circumference. What is the circumference (in units) of the circle?

616

132

88

Cannot be determined

None of these

8 men alone can complete a piece of work in 12 days. 4 women alone can complete the same piece of work in 48 days and 10 children alone can complete the piece, of work in 24 days. In how many days can 10 men, 4 women and 10 children together complete the piece of work?

5

15

28

6

None of these

Subhash starts a business by investing Rs.25000. 6 months later Aditya joins him by investing Rs.15000. After another 6 months Aditya invest and additional amount of Rs.15000. At the end of 3 years they earn a profit of Rs2,47,000. What is Aditya’s share in the profit?

Rs.1,30,000

Rs.1,23,000

Rs.1,05,000

Rs.1,11,500

None of these

If the digits of a two-digit number are interchanged, the number so obtained is greater than the original number by 27. If the sum of the two digits of the number is 11. What is the original number?

47

38

74

Cannot be determined

None of these

Directions: What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value) 59.99% of 255.012 + 22.98% of 182.005 = ?

162

146

195

225

178

Directions: What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value) 15.002 x ? x 25.0210 = 7113.918

19

26

11

31

35

Directions: What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value) 81.38 x 81.63------?

680

218

726

512

134

Directions: What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value) 12 x 958 / 17 = ?

532

676

765

483

806

What should come in place of the question mark (?) in the following questions? 8.88 x 88.8 x 88 = ?

68301.142

79391.642

65365.824

76218.414

None of these

What should come in place of the question mark (?) in the following questions? 1 4/7 + 1 3/5 + 1 1/3 =?

5 47/105

4 58/105

4 53/105

5 43/105

None of these

What should come in place of the question mark (?) in the following questions? ? % of 280 + 18 % of 550 = 143.8

11

18

21

16

None of these

21/55

3/55

28/55

9/11

None of these

Directions: Study the given information carefully to answer the following questions. A basket contains 3 blue, 5 black and 3 red balls. If 2 balls are drawn at random, what is the probability that one is black and one is red?

2/11

8/11

9/11

3/11

None of these

Directions: Study the given information carefully to answer the following questions. A basket contains 3 blue, 5 black and 3 red balls. If 3 balls are drawn at random what is the probability that all are black?

2/33

1/11

3/11

8/11

None of these

A 180-metre-long train crosses a platform of equal length in 18 seconds. What is the speed of the train?

22 metres/second

10 metres/second

15 metres/second

18 metres/second

None of these

What would be the compound interest drawn on an amount of Rs.18,400 @ 12 p.c.p.a at the end of 3 years?

Rs.4680.96

Rs.7450.6752

Rs.6235.2143

Rs.8042.16

None of these

Directions: what should come in place of the question mark (?) in the following number series? 24 ? 109 134 150 159

71

65

86

53

None of these

Directions: what should come in place of the question mark (?) in the following number series? 17 9 10 ? 25 90

21

27.5

19

16.5

None of these

Directions: what should come in place of the question mark (?) in the following number series? 3 20 78 332 1680 ?

8410

9836

10098

1150

None of these

Directions: what should come in place of the question mark (?) in the following number series? 13 30 66 140 ? 592

210

290

428

430

None of these

Directions: what should come in place of the question mark (?) in the following number series? 3 5 15 ? 1125 84375

75

20

45

80

None of these

A boat takes 8 hours to cover a distance while traveling upstream, whereas while traveling downstream t takes 6 hours. If the speed of the current is 4 kmph, what is the speed of the boat in still water?

12 kmph

28 kmph

16 kmph

Cannot be determined

None of these

The magnitude of the area of a circle is seven times that of its circumference. What is the circumference (in units) of the circle?

616

132

88

Cannot be determined

None of these

8 men alone can complete a piece of work in 12 days. 4 women alone can complete the same piece of work in 48 days and 10 children alone can complete the piece, of work in 24 days. In how many days can 10 men, 4 women and 10 children together complete the piece of work?

5

15

28

6

None of these

Subhash starts a business by investing Rs.25000. 6 months later Aditya joins him by investing Rs.15000. After another 6 months Aditya invest and additional amount of Rs.15000. At the end of 3 years they earn a profit of Rs2,47,000. What is Aditya’s share in the profit?

Rs.1,30,000

Rs.1,23,000

Rs.1,05,000

Rs.1,11,500

None of these

If the digits of a two-digit number are interchanged, the number so obtained is greater than the original number by 27. If the sum of the two digits of the number is 11. What is the original number?

47

38

74

Cannot be determined

None of these

Directions: What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value) 59.99% of 255.012 + 22.98% of 182.005 = ?

162

146

195

225

178

Directions: What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value) 15.002 x ? x 25.0210 = 7113.918

19

26

11

31

35

Directions: What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value) 81.38 x 81.63------?

680

218

726

512

134

Directions: What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value) 12 x 958 / 17 = ?

532

676

765

483

806

What should come in place of the question mark (?) in the following questions? 8.88 x 88.8 x 88 = ?

68301.142

79391.642

65365.824

76218.414

None of these

What should come in place of the question mark (?) in the following questions? 1 4/7 + 1 3/5 + 1 1/3 =?

5 47/105

4 58/105

4 53/105

5 43/105

None of these

What should come in place of the question mark (?) in the following questions? ? % of 280 + 18 % of 550 = 143.8

11

18

21

16

None of these

This is a 15-question test on ‘Steam: Generation, Engines and Turbines’ under a series of tests of Mechanical Engineering which is attributed to Competitive Examination Preparations e.g. IAS (Optional), GATE, IES etc.

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ask any question here in discussion

516 days 4 hours 49 minutes ago

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Thanks............................

1682 days 3 hours 36 minutes ago

very good questions but could u pls send me the detailed answers..

1857 days 2 hours 45 minutes ago

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2059 days 1 hours 32 minutes ago

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2170 days 8 hours 28 minutes ago

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