Number System Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case. 388 384 386 391 388 384 386 391 ANSWER DOWNLOAD EXAMIANS APP
Number System 2536+4851—?=3450+313 6784 4567 5243 3624 6784 4567 5243 3624 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3624
Number System What is the difference between the local values of 3 in the number 53403? 3003 0 2997 3030 3003 0 2997 3030 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3000 – 3 = 2997
Number System 74698 + 365 + 85213 + 95 = ? 160361 160341 160351 160371 160361 160341 160351 160371 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 74698 + 365 + 85213 + 95 = 160371
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 37/52 32/51 31/58 34/55 37/52 32/51 31/58 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 The sum of a number and its reciprocal is one-eighth of 34. What is the product of the number and its square root? 8 None of these 27 32 8 None of these 27 32 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,x + 1/x = 34/8 8x2 - 34x + 8 = 0 4x2 - 17x + 4 = 0 (4x - 1)(x - 4) = 0 x = 4required number = 4 * √4 = 4 * 2 = 8.
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