Number System 3√103823 = ? 44 47 52 41 44 47 52 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√103823 = 3√47 x 47 x 47 = 47
Number System Find the number of factors of 300 excluding 1 and itself. 18 15 14 16 18 15 14 16 ANSWER DOWNLOAD EXAMIANS APP
Number System Two numbers are in the ratio 3:5. If 9 be subtracted from each, they are in the ratio of 9:17. The first number is: 18 36 27 30 18 36 27 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (3x-9):(5x-9) = 9:17 x = 12 => 3x = 36
Number System 486+32×25—59=? 567 596 528 582 567 596 528 582 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 528
Number System If (47)² is added to the square of a number the answer thus obtained is 2290. What is the number ? 8 7 10 9 8 7 10 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, x² + (47)² = 2290Therefore, x² = 2290 - 2209 = 81Therefore, x = 9
Number System Find the average of the following set of scores 450, 1050, 12, 390, 143, 286, 550, 999 480 485 495 490 480 485 495 490 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required average score = (450 + 1050 + 12 + 390 + 143 + 286 + 550 + 999) / 8 = 3880 / 8 = 485
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