Number System What is the sum of all the composite numbers up to 20? 128 131 132 130 128 131 132 130 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
Number System What should come in the place of question mark (?) in the number series given below? 160 157 158 159 160 157 158 159 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 160
Number System Two numbers have a H.C.F of 16 and a product of two numbers is 2560. Find the L.C.M of the two numbers? 160 170 140 150 160 170 140 150 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP L.C.M of two numbers is given by(Product of the two numbers) / (H.C.F of the two numbers) = 2560/16 = 160.
Number System The average of five consecutive even numbers A, B, C, D and E is 54. What is the product of'B' and 'E' ? 1456 2871 4098 3016 1456 2871 4098 3016 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Because, The even numbers are consecutive and their average is 54.∴ The number C will be 54.∴ A = 50, B = 52, D = 56, E = 58B x E = 52 x 58 = 3016
Number System If A = 1, B = 3, C = 5 and so on, what do the numbers 3, 9, 7 stand for BED CAT BAT CAR BED CAT BAT CAR ANSWER EXPLANATION DOWNLOAD EXAMIANS APP BED