NIMCET 2014 Question Paper with solutions

Question : 78 of 120

Marks: +1, -0

Ajith is three times older than Babita. Chetu is half the age of Das* Babita is older than Chetu. Which of the following additional information is needed to estimate the age of Ajith?
I. Chetu is 10 yr old.
II. Both Babita and Das are older than Chetu by the same number of years.

Only I
Only II
I and II
None of these

Validate

Solution:

Let the ages of Ajith, Babita, Chetu, Das are A, B, C, D yr. Age of Ajith is three times that of Babita i.e. A = 3 B
Chetu is half the age of Das i.e. C =

D/2

Babita is older than Chetu i.e. B > C.
Statement I Chetu is 10 yr old. This statement is necessary to find the age of Ajith.
Statement il This statement is again necessary to find the age of Ajith.
Hence, both statements I and il are necessary to estimate the age of Ajith

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