Others Maths Puzzle

x! ends with k zeros; (x+3)! ends with (k+3) zeros .
0

Read Solution (Total 3)

x can have 21 values like
122,123,124,
247,248,249
372,373,374
497,598,499
747,748,749
872,873,874
997,998,999
12 years agoHelpfull: Yes(3) No(0)

21 values are possible.
12 years agoHelpfull: Yes(1) No(1)
Find how many values of x are possible if x lies between zero and 1000.
12 years agoHelpfull: Yes(0) No(0)

Others Other Question

Ritu was asked to multiply a two-digit number N by a three-digit number M. But she mistakenly multiplied N by the number formed by writing the digits of M in the reverse order, thereby getting an answer which was 22770 more than the correct answer.

1) Find the correct product of N and M, if it is known that had Ritu reversed the digits of both the numbers N and M, she would have got an answer 12816 more than her earlier answer.
A. 9982
B. 13284
C. 32752
D. 45568
E. 13842

2) What is the minimum possible sum of the digits of M?
A. 8
B. 11
C. 6
D. 5
E. 7
xx11/v1111=11.if we cancel any 2 lines we get the value.