Number System 148 x 3.75 x 4 = 111 x ? 24 20 19 17 24 20 19 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 148 x 3.75 x 4/111 = 20
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' ? 1580 1780 1680 1480 1580 1780 1680 1480 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 simplest form of 1.5 : 2.5 is : 3 : 5 5 : 7 17 : 19 13 : 11 3 : 5 5 : 7 17 : 19 13 : 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 : 5
Number System In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3 .What was the original fraction 17/12 11/12 7/12 19/12 17/12 11/12 7/12 19/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 112 114 118 116 112 114 118 116 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System What is the least number, which is perfect square but contains 2700 as its factor? 2700 5400 1800 10800 2700 5400 1800 10800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100