Aptitude Practice Question and Answer

Q: A milkman has 20 liters of milk. If he mixes 5 liters of water, which is freely available, in 20 liters of pure milk. If the cost of pure milk is Rs. 18 per litre, then the profit of the milkman, when he sells all the mixture at  cost price, is: 5789 6

  • 1
    20%
    Correct
    Wrong
  • 2
    25%
    Correct
    Wrong
  • 3
    33.33%
    Correct
    Wrong
  • 4
    18%
    Correct
    Wrong
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Answer : 2. "25%"
Explanation :

Answer: B) 25% Explanation: When the water is freely available and all the water is sold at the price of the milk, then the water gives the profit on the cost of 20 litres of milk.     Since,    the profit % = ProfitCostPricex100 Therefore, profit percentage = 520x100  = 25%

Q: If the true discount on sum due 2 years hence at 14% per annum be Rs. 168, the sum due is ? 6925 7

  • 1
    Rs.948
    Correct
    Wrong
  • 2
    Rs.876
    Correct
    Wrong
  • 3
    Rs.768
    Correct
    Wrong
  • 4
    Rs.658
    Correct
    Wrong
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Answer : 3. "Rs.768"
Explanation :

Answer: C) Rs.768 Explanation: P.W. = 100×T.DR×T = 100×16814×2 = 600. Sum = (P.W. + T.D.) = Rs. (600 + 168) = Rs. 768.

Q:

The radius of the incircle of a triangle is 2 cm. If the area of the triangle is 6 cm2. Then its perimeter is -

1511 1

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

Q:

A reduction of 20% in the price of sugar enables a housewife to purchase 6 kg. more for Rs. 240. What is the original price per kg. of sugar?

1281 1

  • 1
    Rs. 25 per kg
    Correct
    Wrong
  • 2
    Rs. 18 per kg
    Correct
    Wrong
  • 3
    Rs.15 per kg
    Correct
    Wrong
  • 4
    Rs. 10 per kg
    Correct
    Wrong
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Answer : 4. "Rs. 10 per kg "

Q:

A mixture contains milk and water in the ratio 5: 1. On adding 4 litres of water, the ratio of milk and water becomes 5: 2. What is the quantity of milk in the original mixture?

1225 1

  • 1
    40 litre
    Correct
    Wrong
  • 2
    36 litre
    Correct
    Wrong
  • 3
    20 litre
    Correct
    Wrong
  • 4
    24 litre
    Correct
    Wrong
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Answer : 3. "20 litre"

Q:

If (a + b): (b + c): (c + a) = 5: 6: 9 and a + b + c = 10. What is the value of c?

1272 0

  • 1
    4
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    7
    Correct
    Wrong
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Answer : 2. "5"

Q:

If each interior angle is doubled of each exterior angle of a regular polygon with n sides, then the value of n is 

1410 0

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

Q:

Let ABCD be a quadrilateral. Let the diagonals AC and BD meet at O. Let the perpendicular drawn from A to CD meet CD at E. Further, AO: OC = BO: OD, AB = 30 cm. CD = 40 cm. and the area of the quadrilateral ABCD is 1050 cm2. What is BE equal to?

1449 0

  • 1
    30√2
    Correct
    Wrong
  • 2
    40√2
    Correct
    Wrong
  • 3
    60√2
    Correct
    Wrong
  • 4
    20√2
    Correct
    Wrong
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Answer : 1. "30√2 "

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