Number System If one third of 3/4 of a number is 21. Then find the number? 630 840 63 84 630 840 63 84 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the sum of all the prime numbers from 20 to 40? 117 118 119 120 117 118 119 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System Find the least value of 3x + 4y if x2y3 = 6. 10 3 7 6 10 3 7 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
Number System If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer? 2675 2875 2725 None of these 2675 2875 2725 None of these ANSWER DOWNLOAD EXAMIANS APP
Number System Which choice provides the answer : If 2 + 3 = 10, 6 + 5 = 66, 7 + 2 = 63, 9 + 7 = 144 then, 8 + 4 = ? 96 102 114 88 96 102 114 88 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 96
Number System The product of two consecutive position odd numbers is 6723. What is the smaller number? 71 79 83 74 71 79 83 74 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
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