Number System The product of two consecutive odd numbers is 4623. What is the product of the next two consecutive odd numbers ? 7745 5183 8795 6782 7745 5183 8795 6782 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √4623 = 6767 x 69 = 4623∴ Required product = 71 x 73 = 5183
Number System Which one of the following represents the sum of the first n even numbers? N2 N(N + 1) N2+ 1 N(N – 1) N2 N(N + 1) N2+ 1 N(N – 1) ANSWER EXPLANATION DOWNLOAD EXAMIANS APP N (N + 1)
Number System 3√103823 = ? 47 44 41 52 47 44 41 52 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√103823 = 3√47 x 47 x 47 = 47
Number System Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number 4 5 7.5 15 4 5 7.5 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.7x -15 = 2x + 10 => 5x = 25 => x = 5
Number System 65% of 320+?=686 478 480 481 479 478 480 481 479 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
Number System If (182)² is added to the square of a number, the answer so obtained is 47765. What is the number ? 111 121 101 131 111 121 101 131 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be xTherefore x² + (182)² = 47765Therefore x² = 47765 - (182)2 = 47765 - 33124Therefore x² = 14641, Therefore x = 121
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