SSC Government Jobs Exams Numerical Ability Area and Volume

a cube of side 1 m is reduced 3 times in the ratio 1:2. The area of one face of the reduced cube to that of the original cube is in the ratio?

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SSC Other Question

3 Years ago a family of 5 members avg age was 17 yrs. After a Baby was born the average of the family is same now . then what is the age of the baby now? percentag
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