Number System The difference between 71% of a number and 46% and of the same number is 212. What is 75% of that number 724 673 845 636 724 673 845 636 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ 71% of x - 46% of x = 212∴ (71 - 46)% of x = 212∴ 25/100 x x = 212∴ x = 212 x 4 = 848∴ 75% of 848 = 848 x 75/100 = 636
Number System A basket contains 5 blue, 4 green and 3 red ball. If three balls are picked at random, what is the probability that at least one is red ? 34/55 31/58 32/51 37/52 34/55 31/58 32/51 37/52 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Probability of having no red ball is9C3 / 12C3 = 21/55Probability of having at least one red ball is 1 - 21/55 = 34/55
Number System On dividing number by 56, we get 29 as remainder. On dividing the same number by 8, what will be the remainder? 7 6 5 4 7 6 5 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let x be the number and y be the quotient. Then, x = 357 * y + 39= (17 * 21 * y) + (17 * 2) + 5= 17 * (21y + 2) + 5.Required remainder = 5.
Number System 63.602 + 153.756 + 94.754 - 84.321 - 122.204 = ? 141.587 143.587 140.587 142.587 141.587 143.587 140.587 142.587 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 312.112 - 170.525 = 141.587
Number System (4 86%of 6500) ÷ 36 =? 677.5 877.5 777.5 977.5 677.5 877.5 777.5 977.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 877.5
Number System 217 * 217 + 183 * 183 = ? 79698 80698 81268 80578 79698 80698 81268 80578 ANSWER DOWNLOAD EXAMIANS APP
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