Find the minimum multiple of 20.23, in which 1821 and division by 24 7.10 and left respectively on the right (a) 3013 (b) 30240) 3002) 3036

Find the least multiple of 23, which when divided by 18,21 and 24 leaves remainders 710 and 13 respectively.(a) 3002 (b) 3013 (c) 3024 (d) 3036

Find the sum of integers between 10 and 500 which are divisible by 7

If the maximum and minimum value of f(x)=a+b sin x be 7 and 1 respectively, find the values of f(pi/6).

If mean and variance of 2, 3, 16, 20, 13, 7, x, y are 10 and 25 respectively then find xy

If mean and variance of 2, 3, 16, 20, 13, 7, x, y are 10 and 25 respectively then find xy