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After $32$ years Raja will be $5$ times as old as he was $8$ years ago. How old is he ...
(1 answer)

Ten distinct balls are put into nine indistinguishable boxes so that no box is empty. The ... (1 answer)

How to simplify this sequence?

$x^{-1}+2x^{-2}+3x^{-3}+\cdots$

Also find the ... (1 answer)

2017-02-01 19:25:59

Swetansh SainathTen distinct balls are put into nine indistinguishable boxes so that no box is empty. The ... (1 answer)

2017-02-01 19:25:48

vyomHow to simplify this sequence?

$x^{-1}+2x^{-2}+3x^{-3}+\cdots$

Also find the ... (1 answer)

2017-01-31 21:01:46

Anwesa RoyQuantitative Aptitude

Speed Mathematics