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Home Aptitude Problems on Ages See What Others Are Saying!
  • Question
  • A father's age is three times the sum of the ages of his two children but 20 years hence his age will be equal to the sum of their ages. Then the father's age is?


  • Options
  • A. 30 years
  • B. 40 years
  • C. 35 years
  • D. 45 years

  • Correct Answer
  • 30 years 

    Explanation

    Let the present age of father be x years and the sum of present ages of 2 sons be y years.
    ? x = 3y ...(i)
    ? (x + 20) = (y + 20 + 20) ...(ii) [20 will be added twice as for 2 children]

    Solving (i) and (ii), we get
    x = 30 years


  • More questions

    • 1. 
      ( x2/3)- 3/4 is equivalent to :

    • Options
    • A. 1 x
    • B. 1 ?x
    • C. 1 x2
    • D. 1 x- 2
    • Discuss
    • 2. 
      The probability of getting a composite number when a six-faced unbiased die is tossed, is

    • Options
    • A. 1/4
    • B. 1/3
    • C. 1/2
    • D. 1
    • Discuss
    • 3. 
      Ajay takes some loan from Rashmi at the rate of 5% per annum andd after 2 yr, Ajay gave back ? 8800 to Rashmi and this way paid his whole loan. Find the interest by Ajay.

    • Options
    • A. ? 825
    • B. ? 975
    • C. ? 800
    • D. ? 850
    • Discuss
    • 4. 582, 605, 588, 611, 634, 617, 600

    • Options
    • A. 634
    • B. 611
    • C. 605
    • D. 600
    • Discuss
    • 5. 
      In the given figure, AM ? BC and AN is the bisector of ?A. What is the measure of ?MAN.

    • Options
    • A. 17.5°
    • B. 15.5°
    • C. 20°
    • D. 25°
    • Discuss
    • 6. 
      If the cost of 1/4 th of kg is Rs. 0·60, then what is the cost of 200 gm ?

    • Options
    • A. 42 paise
    • B. 48 paise
    • C. 40 paise
    • D. 50 paise
    • Discuss
    • 7. 10, 26, 74, 218, 654, 1946, 5834

    • Options
    • A. 26
    • B. 74
    • C. 218
    • D. 654
    • E. 1946
    • Discuss
    • 8. 
      One side of a rectangular field is 4 meter and its diagonal is 5 meter. The area of the field is?

    • Options
    • A. 12 m2
    • B. 15 m2
    • C. 20 m 2
    • D. 4?5 m2
    • Discuss
    • 9. 
      Convert 0.2 7 into a vulgar fraction.

    • Options
    • A. 5/18
    • B. 5/19
    • C. 7/19
    • D. 3/17
    • Discuss
    • 10. 
      If in a hostel 45 days, food is available food is available for 50 students, for how many days will this food be sufficient for 75 students?

    • Options
    • A. 25 days
    • B. 28 days
    • C. 30 days
    • D. 40 days
    • Discuss


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