Number System Find the number which multiplied by 15 is increased by 196. 14 26 20 28 14 26 20 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,15x - x = 196x = 14
Number System If 35% of a number is 899.5, what is 68% of that number ? 2247.6 1547.6 1847.6 1747.6 2247.6 1547.6 1847.6 1747.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Suppose the number is x.Then 35% of x = 899.5∴ 68% of x = 68/35 x 899.5 = 1747.6
Number System 732.96 + 405.38 - 604.08 - 105.44 + 222.86 = ? 621.68 631.68 641.68 651.68 621.68 631.68 641.68 651.68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1361.20 - 709.52 = 651.68
Number System If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number. 86 97 94 91 86 97 94 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 94
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 ? 80/150 80/153 80/152 80/151 80/150 80/153 80/152 80/151 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
Number System 7.98 x 3.75 + 1.28 x 15.5 = ? 49.765 47.765 48.765 46.765 49.765 47.765 48.765 46.765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 29.925 + 19.84 = 49.765
EXAMIANS