IBM Company Logical Reasoning Number Series

How many times the digit 4 occurs in counting while counting from 11 to 100.

Read Solution (Total 11)

IBM Other Question

What is the value of 44444445*88888885*444444442*44444438/44444448^2

1) 88888883
2) 88888884
3) 88888888
4) 44444443
. Today 1999, the age of Mohan and his grandmother differ by 6 years. Before 50 years Grandmother age was twice as that of Mohan. What is the present age of Mohan?