SSC Government Jobs Exams Numerical Ability Area and Volume

If the length of a rectangle is increased in the ratio 6 : 7 and its breadth is diminished in the ratio 5 : 4 then its area will be diminished in the ratio

Read Solution (Total 1)

l1=6x.l2=7yx,w1=5y,w2=4y
area 1=30xy,area 2=28xy,ratio=30:28=15:14
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SSC Other Question

If A : B = 2 : 3, B : C = 4 : 5 and C : D = 5 : 9, then A : D is equal to 7 years ago, the ages (in years) of A and B were in the ratio 4 : 5; and 7 years hence they will be in the ratio 5 : 6. The present age of B is