Book Maths Puzzle Numerical Ability

Three numbers are to one another as 2:3:4.The sum of their cubes is 33957.Find the numbers.

Read Solution (Total 1)

2x+ 3x + 4x = 33957 , x = 7 , numbers are 14 21 28
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Book Other Question

A beam , the section of which is square ,is 27 times as long as it is wide and its volume is 8 m3 .Find its length. Two square fields jointly contain 123 hectares and the side of one is four-fifth as long as that of the other.How many hectares does each contain?