Quantitative Aptitude Practice Question and Answer

Q: Rajitha's present age is three years less than twice her age 12 years ago. Also, the ratio of Raj's present age to Rajitha's present age is 4:9. What will be Raj's age after 5 years ? 2051 0

  • 1
    17 yrs
    Correct
    Wrong
  • 2
    16 yrs
    Correct
    Wrong
  • 3
    19 yrs
    Correct
    Wrong
  • 4
    21 yrs
    Correct
    Wrong
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Answer : 1. "17 yrs"
Explanation :

Answer: A) 17 yrs Explanation: Let the present age of Raj and Rajitha be 4x and 9x.Then, according to question,9x = 2(9x-12)-3 => 9x = 27 => x = 3Raj's present age = 4x = 12yrs, After 5 years Raj's age will be 12 + 5 = 17 yrs.

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Answer : 3. "Rs. 10664.15"
Explanation :

Answer: C) Rs. 10664.15 Explanation: Profit received by Chinna as working partner = 14.5% of Rs. 19600 = 14.5x19600/100 = Rs. 2842 Balance in profit = 19600-2842 = Rs. 16758 Ratio of investment of Chinna & Munna = 80,000 : 1,40,000 = 4 : 7 Hence share of Chinna in investment = 4x16758/100 = Rs. 6093.85 Therefore, Share of Munna = 19600 - 2842 - 6093.85 = Rs. 10664.15

Q: Two bus tickets from city K to L and three tickets from city K to M cost Rs. 77,  but three tickets from city K to L and two tickets from city K to M cost Rs. 73. What are the fares for cities L and M from K ? 2050 0

  • 1
    Rs. 13 and Rs. 17
    Correct
    Wrong
  • 2
    Rs. 17 and Rs. 19
    Correct
    Wrong
  • 3
    Rs. 23 and Rs. 17
    Correct
    Wrong
  • 4
    Rs. 13 and Rs. 19
    Correct
    Wrong
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Answer : 1. "Rs. 13 and Rs. 17"
Explanation :

Answer: A) Rs. 13 and Rs. 17 Explanation: If fares for cities L and M from K are x and y respectively, then 2x + 3y = 77 or 6x + 9y = 231...(1)3x + 2y = 73 or 6x + 4y = 146...(2) subtracting 2 from 1, we get 5y = 85 y = Rs. 17 => x = Rs. 13

Q: There are 209 doctors and nurses in a hospital. If the ratio of the doctors to the nurses is 11 : 8, then how many nurses are there in the hospital? 2047 0

  • 1
    88
    Correct
    Wrong
  • 2
    96
    Correct
    Wrong
  • 3
    108
    Correct
    Wrong
  • 4
    121
    Correct
    Wrong
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Answer : 1. "88"
Explanation :

Answer: A) 88 Explanation: Given,The ratio of the doctors to the nurses is 11 : 8Number of nurses = 8/19 x 209 = 88.

Q:

The average of five numbers is 49. The average of the first and the second numbers is 48 and the average of fourth and fifth numbers is 28. What is the third number?

2046 0

  • 1
    92
    Correct
    Wrong
  • 2
    91
    Correct
    Wrong
  • 3
    95
    Correct
    Wrong
  • 4
    Cannot determined
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 5. "None of these"

Q: The probability that a bowler bowled a ball from a point will hit by the batsman is ¼. Three such balls are bowled simultaneously towards the batsman from that very point. What is the probability that the batsman will hit the ball ? 2045 0

  • 1
    37/64
    Correct
    Wrong
  • 2
    27/56
    Correct
    Wrong
  • 3
    11/13
    Correct
    Wrong
  • 4
    9/8
    Correct
    Wrong
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Answer : 1. "37/64"
Explanation :

Answer: A) 37/64 Explanation: Probability of not hitting the ball = 1- 1/4 =Then, the probability that the batsman will hit the ball =

Q: Find the next number in the given number series? 35, 36, 55, 111, ? 2042 0

  • 1
    278.5
    Correct
    Wrong
  • 2
    264.5
    Correct
    Wrong
  • 3
    212.5
    Correct
    Wrong
  • 4
    202
    Correct
    Wrong
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Answer : 1. "278.5"
Explanation :

Answer: A) 278.5 Explanation: The given number series is 35, 36, 55, 111, ? 35 35 x 1 + 1 = 36 36 x 1.5 + 1 = 55 55 x 2 + 1 = 111 111 x 2.5 + 1 = 278.5   Hence, the next number in the given number series is 278.5.

Q: What is two weeks from today? 2042 0

  • 1
    same day
    Correct
    Wrong
  • 2
    previous day
    Correct
    Wrong
  • 3
    next day
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "same day"
Explanation :

Answer: A) same day Explanation: We know that the day repeats every 7 days, 14 days, 21 days,... So if today is Monday, after 7 days it is again Monday, after 14 days again it is Monday. Hence, after 2 weeks i.e, 14 days the day repeats and is the same day.

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