Book
Maths Puzzle
Numerical Ability
find the remainder when 30^72^87 is divided by 11?
a)5 b)9 c)6 d)3
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Book Other Question
working together rajeev and vikram can complete a piece of work in 48 days.rajeev can complete the work alone in 64 days. both of them work together for 30 days and then rajeev left.how long will vikram take to complete the remaining work?
let s denote the sum of the squares of the first m natural numbers. for how many values of m<100, is s a multiple of 4?
a)50 b)25 c)36 d)24