Exam Maths Puzzle Numerical Ability

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?

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Exam Other Question

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 A restaurant prepares 22 litres of a mixture that contains 25% of orange essence and the remaining quantity as water. If 3 litres of water is mixed in this mixture,what will be the percentage of orange essence in the new mixture?