MBA Exam

if all odd numbers multiplied from 1 to 150 and all even numbers multiplied from 151 to 175.Find the number of zeros at the end of this product?post your solution in comments...

1) 19
2) 21
3) 26
4) 29

Read Solution (Total 1)

21

as multiples of 5 from 1to 150 odd numbers are 15+3+1=19
and multiples of 5 in 151 to 175 even numbers are 2 i.e. from 160 and 170.

so total zeros at end of product are 19+2=21
11 years agoHelpfull: Yes(0) No(0)

MBA Other Question

The number of 4 digit numbers with the first digit as 1 and having exactly two identical digits are

1) 256
2) 720
3) 486
4) 432
If 1/a , 1/b and 1/c are in Arithmetic Progression, then which of the following is also true?

1) (b + c)/a, (c + a)/b and (a + b)/c are also in arithmetic progression for all values of a, b and c.
2) (b + c â€“ a)/a, (c + a â€“ b)/b and (a + b â€“ c)/c are also in arithmetic progression when a + b + c is not 0.
3) (b + c)/a, (c + a)/b and (a + b)/c are in geometric progression for all values of a, b and c.
4) Both (1) and (2).