A girl wrote all the numbers from 100 to 200. Then she started counting the number of one's that has been used while writing all these numbers. What is the number that she got?
Correct Answer : C
How many five digit multiples of 11 are there, if the five digits are 3,4,5,6 and 7 in the same order?
A calculator has two memory buttons, A and B. Value 1 is initially stored in both memory locations. The following sequence of steps is carried out five times:
i. add 1 to B ii. multiply A and B. iii. store the result in A
What is the value stored in memory location A after this procedure?