Aptitude Practice Question and Answer

Q:

Direction: The following graph shows the number of boys and girls in Class V, Class VI, Class VII and Class VIII. Study the graph and answer the question.

What is the average number of girls in all the classes?

1317 0

  • 1
    61
    Correct
    Wrong
  • 2
    59
    Correct
    Wrong
  • 3
    54
    Correct
    Wrong
  • 4
    66
    Correct
    Wrong
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Answer : 2. "59"

Q:

A number when divided by 296 gives a remainder 75. When the same number is divided by 37 the remainder will be: 

1316 0

  • 1
    8
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    11
    Correct
    Wrong
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Answer : 2. "1 "
Explanation :

Let number (dividend) be X.

∴ X = 296 × Q + 75 where Q is the quotient and can have the values 1, 2, 3 etc.

= 37 × 8 × Q + 37 × 2 + 1

= 37 (8Q + 2) + 1

Thus we see that the remainder is 1.

[Remark : When the second divisor is a factor of the first divisor, the second remainder is obtained by dividing the first remainder by the second divisor.

Hence, divide 75 by 37, the remainder is 1].

Q:

Pipes A and B can fill a tank in 12 minutes and 15 minutes, respectively. The tank when full can be emptied by pipe C in x minutes. When all the three pipes are opened simultaneously, the tank is full in 10 minutes. The value of x is:

1316 0

  • 1
    18
    Correct
    Wrong
  • 2
    15
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    24
    Correct
    Wrong
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Answer : 3. "20"

Q:

The average salary of 12 employees in a company was recorded to be ₹20,000. If the salary of the manager is also included, then the average salary increases by ₹2,000. Find the salary of the manager.

1316 0

  • 1
    ₹36,000
    Correct
    Wrong
  • 2
    ₹46,000
    Correct
    Wrong
  • 3
    ₹28,000
    Correct
    Wrong
  • 4
    ₹42,000
    Correct
    Wrong
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Answer : 2. "₹46,000 "

Q:

If is a positive acute angle and 5 cosθ + 12 sinθ = 13, then find the value of cosθ?

1315 0

  • 1
    $${12\over13}$$
    Correct
    Wrong
  • 2
    $${5\over13}$$
    Correct
    Wrong
  • 3
    $${5\over13}$$
    Correct
    Wrong
  • 4
    $${1\over5}$$
    Correct
    Wrong
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Answer : 2. " $${5\over13}$$"

Q:

In ∆ABC, AC = BC and ∠BAC = 40°. If BC is extended to D such that BC = CD, find out ∠ADC = ?

1315 0

  • 1
    45^0
    Correct
    Wrong
  • 2
    60^0
    Correct
    Wrong
  • 3
    40^0
    Correct
    Wrong
  • 4
    50^0
    Correct
    Wrong
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Answer : 4. "50^0"

Q:

Directions : The graph shows the demand and production of different companies. Study the graph and answer the following questions.

What is the ratio of companies with high demand to production and companies with less than production?

1315 0

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

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