Maths Practice Question and Answer

Q:

The speed of a train is 108 km/h. The distance covered by the train in 11 seconds will be:

1237 0

  • 1
    620 m
    Correct
    Wrong
  • 2
    540 m
    Correct
    Wrong
  • 3
    440 m
    Correct
    Wrong
  • 4
    330 m
    Correct
    Wrong
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Answer : 4. "330 m"

Q:

Out of 20 boys, 6 are each of 1 m 15 cm height, 8 are of 1 m 10 cm and rest of 1 m 12 cm. The average height of all of them is

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  • 1
    1 m 12.1 cm
    Correct
    Wrong
  • 2
    1 m 21.1 cm
    Correct
    Wrong
  • 3
    1 m 21 cm
    Correct
    Wrong
  • 4
    1 m 12 cm
    Correct
    Wrong
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Answer : 1. "1 m 12.1 cm"
Explanation :

Q:

Directions: Read the pie chart carefully and answer the following questions.

Note: No new employees joined the given banks of left the given banks from January 2015 to December 2015.

What is the average number of scales I officers in Banks D, E and F?

1237 0

  • 1
    63
    Correct
    Wrong
  • 2
    65
    Correct
    Wrong
  • 3
    64
    Correct
    Wrong
  • 4
    67
    Correct
    Wrong
  • 5
    68
    Correct
    Wrong
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Answer : 3. "64"

Q:

What is the degree of the differential equation $$y=x\left({dy\over dx} \right)^2+ \left({dx\over dy} \right)^2 ? $$

1236 0

  • 1
    1
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 3. "3"

Q:

The radius and height of a right circular cone are in the ratio 3: 4. If its curved surface area (in cm2) is 240 π, then its volume (in cm3) is:

1236 0

  • 1
    2304 π
    Correct
    Wrong
  • 2
    384 π
    Correct
    Wrong
  • 3
    1536 π
    Correct
    Wrong
  • 4
    768 π
    Correct
    Wrong
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Answer : 4. "768 π"

Q:

Answer the following questions

The hourly wages of a mason have increased by 25%. Since the increase, the number of hours he works daily has reduced by 16%. If he was earning Rs. 120 per day before the increase, how much (in Rs.) is he earning now?

1236 0

  • 1
    124.5
    Correct
    Wrong
  • 2
    115.5
    Correct
    Wrong
  • 3
    126
    Correct
    Wrong
  • 4
    120
    Correct
    Wrong
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Answer : 3. "126"

Q:

When positive numbers x, y and z are divided by 31, the remainders are 17, 24 and 27, respectively. When (4x-2y+32) is divided by 31, the remainder will be:

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  • 1
    9
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    19
    Correct
    Wrong
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Answer : 3. "8"

Q:

3240, 540, 108, 27, ? , 4.5

1236 0

  • 1
    12
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
  • 5
    6
    Correct
    Wrong
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Answer : 3. "9"

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