Number System What is the sum of all the prime numbers from 20 to 40? 118 120 119 117 118 120 119 117 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System What least number should be added to 8602 to make it a perfect square ? 36 51 41 47 36 51 41 47 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP So, (93)² = 8649So, the required number to be added to make a perfect square = 8649 - 8602 = 47
Number System What should come in place of the question mark (?) in the following number series ? 888 888 444 148 ? 7.4 33 37 35 29 33 37 35 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 888 ÷ 1 = 888888 ÷ 2 = 444444 ÷ 3 = 148148 ÷ 4 = 3737 ÷ 5 = 7.4
Number System Find the least value of 3x + 4y if x2y3 = 6. 6 10 7 3 6 10 7 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
Number System 666 / 6 / 3 = ? 111 37 84 333 111 37 84 333 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 666 * 1/6 * 1/3 = 37
Number System 1089/? = ?/1296 1082 1278 1348 1188 1082 1278 1348 1188 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 1089 x 1296(?)²= (11 x 11 x 9) x (12 x 12 x 9)(?)= 11 x 12 x 9= 1188
EXAMIANS