Number System {3√4913}² = ? 333 121 289 225 333 121 289 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (3√4913)² = (17)² = 289
Number System What is the sum of all the composite numbers up to 20? 128 130 132 131 128 130 132 131 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
Number System On dividing a number by 68, we get 269 as quotient and 0 as remainder. On dividing the same number by 67, what will be the remainder? 1 0 3 2 1 0 3 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = 269 * 68 + 0 = 1829267) 18292 (273 18291 -------- 1Required number = 1.
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 5 2 9 6 5 2 9 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System If the difference between a number and its 2/5 is 240, find the number. 400 360 480 440 400 360 480 440 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 A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? None of these 6 3.5 8 None of these 6 3.5 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8
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