A string is 4.8m. A boy measured it to be 4.95m. Find the percentage error.
The sum of the 1st and 2nd terms of an A.P. is 4 and the 10th term is 19. Find the sum of the 5th and 6th terms.
E = (integers \(\leq\) 20), P = (multiples of 3), Q = (multiples of 4), what are the elements of P'∩Q?
Given that 2p - m = 6 and 2p + 4m = 1, find the value of (4p + 3m).
Which of the following is a point on the curve y = x\(^2\) - 4x + 7?
