Number System (800 / 64) * (1296 / 36) = ? None of these 420 460 500 None of these 420 460 500 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp.= 800/64 * 1296/36 = 12.5 * 36 = 450
Number System 35%of ?=242 693 394 542 487 693 394 542 487 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 693
Number System If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: 73/77 77/73 93/77 83/77 73/77 77/73 93/77 83/77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 73/77
Number System One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number? 7 9 3 5 7 9 3 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x/2 – x/3 = 6=> x =63 + 6 = 9
Number System 148 x 3.75 x 4 = 111 x ? 20 24 17 19 20 24 17 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 148 x 3.75 x 4/111 = 20
Number System A basket contains eight white and ten black balls. Two draws of one ball each are made without replacement. What is the probability that one ball is white and the other ball is black ? 80/151 80/152 80/153 80/150 80/151 80/152 80/153 80/150 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Two balls can be drawn from 18 balls in 18C2 Ways, ie 153 ways. One white from 8 white balls can be drawn in 8C1 = 8 ways and one black ball from 10 black can be drawn in 10C1 = 10 ways.∴ n(S) = 153, n(E) = 8 x 10 = 80∴ P(E) = 80/153
EXAMIANS