Q.1) Find the last two digits of 73^125 .
Q.2) Rem [ 17^432 / 109 ]=?
Q.3) If N=54535352…… 987654321 , find the remainder when N is divided by 9.
Q.4) If no. of factors of (2^10) *(3^n) *(10^6) is 1309, then find the value of n.
Q.5) A two-digit number is four times the sum of its digits and two times the product of its digits. How many such numbers are possible?