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Home Verbal Reasoning Problems on Ages See What Others Are Saying!
  • Question
  • 5 years ago, the average age of Ram and Shyam was 20 years. Now, the average age of Ram, Shyam and Mohan is 30 years. What will be Mohan's age 10 years hence?


  • Options
  • A. 50 years
  • B. 45 years
  • C. 40 years
  • D. 35 years

  • Correct Answer
  • 50 years 

    Explanation

    Let us assume the present age of Ram R, Shyam S and Mohan M.
    5 years ago, Ram age = R - 5
    5 years ago, Shyam age = S - 5
    5 years ago, Mohan age = M - 5
    According to question,
    5 years ago, the average age of Ram and Shyam was 20 years,
    (5 years ago, Ram age + 5 years ago, Shyam age) /2 = 20
    (R - 5 + S - 5 )/2 = 20
    R + S = 40 + 10 = 50 ................(1)
    Now Again according to question,
    Now , the average age of Ram, Shyam and Mohan is 30 years
    (R + S + M)/3 = 30
    R + S + M = 90
    Pu the value of R + S from equation (1)
    50 + M = 90
    M = 90 - 50 = 40
    The present age of Mohan = 40 years
    10 years hence, the age of Mohan = 40 + 10 = 50 years


  • More questions

    • 1. 
      NA

    • Options
    • A. 215
    • B. 143
    • C. 247
    • D. 91
    • Discuss
    • 2. 
      2 : 32 :: 3 :?

    • Options
    • A. 243
    • B. 293
    • C. 183
    • D. 143
    • Discuss
    • 3. What is always in worry?

    • Options
    • A. Difficulty
    • B. Unrest
    • C. Non-Cooperation
    • D. Poignancy
    • Discuss
    • 4. What is found necessarily in milk?

    • Options
    • A. Cream
    • B. Curd
    • C. Water
    • D. Whiteness
    • Discuss
    • 5. 
      Statement:
      The 'M' Cooperative Housing Society has put up a notice at its gate that sales persons are not allowed inside the society
      Assumptions:
      I. All the sales persons will stay away from the 'M' Cooperative Housing Society.
      II. The security guard posted at the gate may be able to stop the sales persons entering the society

    • Options
    • A. if only assumption I is implicit
    • B. if only assumption II is implicit
    • C. if either I or II is implicit
    • D. if neither I nor II are implicit
    • Discuss
    • 6. 
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    • Options
    • A. bgtbt
    • B. btbtb
    • C. atbbt
    • D. cbbte
    • Discuss
    • 7. 
      On which of the following floors does B live?

    • Options
    • A. Sixth
    • B. Fourth
    • C. Second
    • D. Fifth
    • Discuss
    • 8. 
      Frankness : Blunt

    • Options
    • A. Rise : Awake
    • B. Weep : Laugh
    • C. Sickness : Death
    • D. Rest : Activity
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    • 9. _ _aba _ _ ba _ ab

    • Options
    • A. abbba
    • B. abbab
    • C. baabb
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    • Discuss
    • 10. 
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    • Options
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