Simplify : -21973 × -1253 ÷ 275123

Three numbers are in Arithmetic Progression (AP) whose sum is 30 and the product is 910. Then the greatest number in the AP is

The sum of three numbers is 2, the 1st number is 1/2 times the 2nd number and the 3rd number is 1/4 times the 2nd number. The 2nd number is

The sum of squares of three positive integers is 323. If the sum of squares of two numbers is twice the third, their product is

The sum of three numbers is 252. If the first number is thrice the second and third number is two-third of the first, then the second number is

On dividing a certain number by 342 we get 47 as remainder. If the same number is divided by 18, what will be the remainder ?

When a number x is divided by a divisor it is seen that the divisor = 4 times the quotient = double the remainder. If the remainder is 80 then the value of x is

A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as the remainder. The number is