Number System What is 846 times 323 ? 264258 293798 283298 273258 264258 293798 283298 273258 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 846 x 323 = 273258
Number System The average of five consecutive even numbers, p, q, r, s and t is 40. What is the product of 'r' and 's' ? 1480 1780 1680 1580 1480 1780 1680 1580 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x, x + 2, x + 4, x + 6, and x + 8Avg = x + x + 2 + x + 4 + x + 6 + x + 8/5 = 40Therefore, 5x + 20 = 200Therefore, x = 180/5 = 36Therefore, r = x + 4 = 40 s = x + 6 = 42Therefore, Product = 1680
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? 27 8 None of these 32 27 8 None of these 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.
Number System A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? 6 3.5 None of these 8 6 3.5 None of these 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8
Number System 1827÷ 36 x ?=162.4 2.6 1.9 3.2 4.3 2.6 1.9 3.2 4.3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3.2
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