Others Maths Puzzle

find the no.of zeros in expression of 815231725*22
(a)3
(b)4
(c)5
(d)6

Read Solution (Total 1)

3
since 8*25=200 =2 zeroes
and 15 * 22= 330 = 1 zero
in total =3 zeroes
11 years agoHelpfull: Yes(0) No(0)

Others Other Question

There are how many integers "n" in between 1 and 10^7, including both, such that last 7 digits of n and n^3 are the same? (If n or n^3 has fewer than 7 digits, then add 0s in the left and then compare the last 7 digits.)

a. 10
b. 15
c. 20
d. None of These Find the maximum value of n such that
42*57*92*91*52*62*63*64*65*66*67 is perfectly divisible by 42^n.