Exam Maths Puzzle Numerical Ability

The purpose of the following flow-chart is to add up the numbers in boxes 6, 7, 8 and 9, and put the total in box 1

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Exam Other Question

Given that a/b=2/1,b/c=3/2,c/d=2/4,d/e=5/6,e/f=6/5
what is the value of abc/def?
in a family two childrens are there.1st children started to save rs.250 from his 20 th birthday and 2nd children started to take from 1st children's saving rs.50 per year.at his 60th birthday(1st children),he could find only rs.500 in his savings. how?