In a division sum, the divisor is 3 times the quotient and 6 times the remainder. If the remainder is 2, then the dividend is: 

The numbers 1, 3, 5, 7______99 and 128 are multiplied together. The number of zeros at the end of the product must be: 

How many even three-digit numbers can be formed from the digits 1 , 2 , 5 , 6 and 9 without repeating any of the digits? 

The least number which must be subtracted from 2361 to make it a perfect square is

For what value of m will the system of equations 17x+my+102=0 and 23x+299y+138=0 have infinite number of solutions? 

What is the sum of all natural numbers between 100 and 400 which are divisible by 13? 

How many three-digit numbers are there in which all the digits are odd? 

Find the least number exactly divisible by 12,15,20,27 ?