Number System (800 / 64) * (1296 / 36) = ? None of these 420 500 460 None of these 420 500 460 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp.= 800/64 * 1296/36 = 12.5 * 36 = 450
Number System A number consists of two digits. If 3/5 of 1/5 of the number is 9. Find the sum of its two digits? 7 60 8 12 7 60 8 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/5 * 1/5 = 9x = 75 => 7 + 5 = 12
Number System ?125÷5x ?=6265 153 1253 1452 124 153 1253 1452 124 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1253
Number System Two numbers are in the ratio 3:5. If 9 be subtracted from each, they are in the ratio of 9:17. The first number is: 18 36 30 27 18 36 30 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (3x-9):(5x-9) = 9:17 x = 12 => 3x = 36
Number System If the sum of five consecutive even numbers A, B, C, D and E is 130, what is the product of A and E ? 720 660 840 780 720 660 840 780 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the consecutive even numbers be A = 2x, B = 2x + 2, C = 2x + 4, D = 2x + 6 and E = 2x + 8= A + B + C + D + E = 130= 10x + 20 = 130∴ x = 130 - 20/10 = 11Therefore, product of A and E= 22 x 30 = 660
Number System What is the difference between the local values of 3 in the number 53403? 3030 2997 0 3003 3030 2997 0 3003 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3000 – 3 = 2997
EXAMIANS