TCS Company

How many 9 digit numbers are possible by using the digits 1,2,3,4,5 which are divisible by 4 if the repetition is allowed?
a)5^7 b)5^6 c)5^9 d)5^8

Read Solution (Total 2)

the simple tricks, 5^(n-1), where n=digit
so ans is 5^(9-1)=5^8
13 years agoHelpfull: Yes(10) No(1)

wrong options
13 years agoHelpfull: Yes(4) No(1)

TCS Other Question

Mr behera wants to build A house for his wife. In this there are 5 rooms each having equal area. The length of each room is 4m,,breadth is 5 m. the height of the rooms are 2m. if to make a sq meter we need 17 bricks ,then how many bricks are needed to make the floor of a particular room? )A sheet of paper has statements numbered from 1 to 70. For all values of n from 1 to 70. Statement nsays ' At least n of the statements on this sheet are false. ‘Which statements are true and which arefalse?