Let the cost of 3 apples and 4 oranges be Rs 21. If Anjli can buy atmost 4 apples and 3 oranges with Rs 20 and no more fruit, then the maximumamount that could be left with Anjli will be about
Correct Answer :
A boy writes all the numbers from 100 to 999. The number of zeroes that he uses is 'a', the number of 5's that he uses is 'b' and the number of 8's he uses is 'c'. What is the value of b+c-a?
What is the unit's digit of the number 6256–4256
N is the smallest number that has 5 factors. How many factors does (N - 1) have??