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find the no of zeros at the end of 2.4.,8,10.....98,100

Read Solution (Total 6)

as the gap between two numbers are 2,4,2,4,2,4.......
therefore we will get...
2,4,8,10,14,16,20,22,26,28,32,34,38,40,44,46,50,52,56,58,62,64,68,70,74,76,80,82,86,88,92,94,98,100

so total no of zeros at the end will be 8
10 years agoHelpfull: Yes(19) No(2)

12 becoz except 50 and 100 all x0 contain single 5
10 years agoHelpfull: Yes(5) No(6)
11 zeros only
10 years agoHelpfull: Yes(4) No(3)
11 zeros..
der r 9 zeros from 10 to 90 and 2 zeros in 100.. :)
10 years agoHelpfull: Yes(4) No(4)
11
As only numbers ending with 0 will contribute in forming the end zero
10 years agoHelpfull: Yes(2) No(3)
12 12
10 years agoHelpfull: Yes(0) No(4)

TCS Other Question

A owes B Rs 50. He agrees to pay B over a number of consecutive day starting on a Monday, paying single note of Rs 10 or Rs 20 on each day. In how many different ways can A repay B. (Two ways are said to be different if at least one day, a note of a different denomination is given)
A. 8
B. 7
C. 6
D. 5 7,5,9,12,18,36,47,72,? find the missing number