NIMCET 2021 Question Paper with solutions

Question : 90 of 120

Marks: +1, -0

Radha is twice as old as Rita was 2 years ago. If difference between their ages is 2 years, how old is Radha Today?

Solution:

Let Radha age be

x

, Ritu age be

y

So,

x=2(y-2)\ \&\ x-y=2 \

x=2 y-y........(1)

x=2+y

......(2)

\text" By eq. "(1)\ \&\ (2)

2+y=2 y-4

y=6

Put

y=6 \text "in eq. "(1)

y=2 \×6-4 \

x=8

Radha Age is

8 .

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