Book Maths Puzzle Category

k is sum of integers from 1 to M. M<55. how many values can M take such that k is divisible by 4?

Read Solution (Total 1)

Book Other Question

which term of the A.P.3,15,27,39.....is 132 more than its 54th term. if P(A)= 1/3 ,P(B)=1/2 ,P(A INTERSECTION B)= 1/4 , then find P(A' U B')?