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  • Question
  • 8 years ago there were 5 members in the Arthur's family and then the average age of the family was 36 years. Mean while Arthur got married and gave birth to a child. Still the average age of his family is same now. What is the age of his wife at the time of his child's birth was.If the difference between the age of her child and herself was 26 years.


  • Options
  • A. 25 years
  • B. 26 years
  • C. 20 years
  • D. can't be determined

  • Correct Answer
  • 26 years 

    Explanation

    Since we know that the difference b/w the age of any two persons remains always constant, while the ratio of their ages gets changed as the time changes.

     

    so, if the age of his child be x (presently)

     

    Then the age of  wife be x + 26 (presently)

     

    Thus the total age = x + ( x + 26) = 32  [ ? 252-220 =32]

    => x = 3

    Therefore, The age of her child is 3 years and her self  is 29 years. Hence her age at the time of the birth of her child was 26 years.


  • More questions

    • 1. Two, trains, one from Howrah to Patna and the other from Patna to Howrah, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 16 hours respectively. The ratio of their speeds is:

    • Options
    • A. 2 : 3
    • B. 4 : 3
    • C. 6 : 7
    • D. 9 : 16
    • Discuss
    • 2. A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?

    • Options
    • A. 40 sec
    • B. 42 sec
    • C. 45 sec
    • D. 48 sec
    • Discuss
    • 3. A train overtakes two persons who are walking in the same direction in which the train is going, at the rate of 2 kmph and 4 kmph and passes them completely in 9 and 10 seconds respectively. The length of the train is:

    • Options
    • A. 45 m
    • B. 50 m
    • C. 54 m
    • D. 72 m
    • Discuss
    • 4. If the number 91876 * 2 is completely divisible by 8, then the smallest whole number in place of * will be:

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • E. None of these
    • Discuss
    • 5. A boy multiplied 987 by a certain number and obtained 559981 as his answer. If in the answer both 9 are wrong and the other digits are correct, then the correct answer would be:

    • Options
    • A. 553681
    • B. 555181
    • C. 555681
    • D. 556581
    • Discuss
    • 6. The least number which should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3 is:

    • Options
    • A. 3
    • B. 13
    • C. 23
    • D. 33
    • Discuss
    • 7. (17)3.5 x (17)? = 178

    • Options
    • A. 2.29
    • B. 2.75
    • C. 4.25
    • D. 4.5
    • Discuss
    • 8. 
      The number of odd days in a leap year is?

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 9. 
      16, 4, 2, 1.5, 1.75, 1.875

    • Options
    • A. 1.875
    • B. 1.75
    • C. 1.5
    • D. 2
    • Discuss
    • 10. 
      In a circus there was a leopard and a tiger walking in the two different rings of same radii. There I observed that when leopard moved 3 steps, tiger moved 5 steps in the same time,but the distance traversed by leopard in 5 step is equal to the distance traversed by tiger in 4 steps. what is the number of rounds that a leopard made when tiger completed 100 rounds?

    • Options
    • A. 120
    • B. 48
    • C. 75
    • D. none of these
    • Discuss


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