यांत्रिकी का

Divisor is 7 times of Quotient and 3 times of its remainder. If the remainder is 7. Find the dividend?

Find the range of the given data:

45, 67, 89, 32, 21, 77, 53, 64

 If 1.5x = 0.04y, then the value of

What is the average of first 32 multiples of 3.2?

'x' varies directly as per 'y' and 'z'. When 'y' = 6 and 'z' = 8, then x = 16. Find the value of 'z', when 'y' = 8 and x = 24.

What is the remainder when (x²⁷ + 51) is divided by (x + 1)?

Find the average of first 21 whole numbers.

Find the last digit of (12¹²³ – 1).

Find the least 4-digit number which, when divided by 16, 20, and 25, leaves a remainder of 7 in each case.