Number System 35 + 15 * 1.5 = ? 57.5 75 51.5 5.25 57.5 75 51.5 5.25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp. = 35 + 15 * 3/2 = 35 + 45/2 = 35 + 22.5 = 57.5
Number System Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 8 16 18 12 8 16 18 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.
Number System Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: 11 9 15 13 11 9 15 13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the three integers be x, x + 2 and x+ 4.Then,3x = 2(x + 4) + 3x = 11Third integer = x + 4 = 15.
Number System The product of two consecutive position odd numbers is 6723. What is the smaller number? 79 74 83 71 79 74 83 71 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP n x (n + 2) = 6723= n² + 2n - 6723 = 0= n² + 83n - 81n - 6723 = 0= n(n + 83) - 81 (n + 83) = 0Therefore, (n - 81) (n + 83) = 0Therefore, n = 81, n + 2 = 83
Number System If the difference between a number and its 2/5 is 240, find the number. 440 480 360 400 440 480 360 400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore x - 2x/5 = 240, Therefore, 3x/5 = 240Therefore, x = 240x5/3 = 400
Number System (12)² - (4.4)² - (0.04)² = ? 124.6384 129.6384 125.6384 131.6384 124.6384 129.6384 125.6384 131.6384 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (12)² - (4.4)² - (0.04)²= 144 - 19.36 - 0.0016= 124.64 - 0.0016= 124.6384
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