Permutation and CombinationHard
Question
N = 22 . 33 . 54 . 7, then -
Options
A.Number of proper divisors of N(excluding 1 & N) is 118
B.Number of proper divisors of N(excluding 1 & N) is 120
C.Number of positive integral solutions of xy = N is 60
D.Number of positive integral solutions of xy = N is 120
More Permutation and Combination Questions
In a plane there are 10 points out of which 4 are collinear, then the number of triangles that can be formed by joining ...If 15Pr = 2730, then the value of r is-...If P(n, n) denotes the number of permutations of n different things taken all at a time then P (n, n) is also identical ...Consider a photo session of 3 teachers, 6 boys and 5 girls in a line such that no two teachers are together, boys stand ...How many words can be formed from the letters of the word ′GANESH PURI′ when P and I occupy the first and la...