Number System 124, 235, 447, 760, 1174, ? 1389 1589 1689 1489 1389 1589 1689 1489 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP +111, +212, +313, +414
Number System The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is: 289 290/289 289/290 1/289 289 290/289 289/290 1/289 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,ab = 17, a = 1 and b = 17So, 1/a2 + 1/b2 = (a2 + b2)/a2 b2 = (12 + 172)/(1 * 17)2 = 290/289
Number System Find the number which multiplied by 15 is increased by 196. 28 20 26 14 28 20 26 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,15x - x = 196x = 14
Number System If the three fourth of a number is subtracted from the number; the value so, obtained is 163. What is that number ? 678 689 652 692 678 689 652 692 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number x (1 - 3/4) = 163∴ Number = 163 x 4 = 652
Number System One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number? 9 5 3 7 9 5 3 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x/2 – x/3 = 6=> x =63 + 6 = 9
Number System Which choice provides the answer : If 2 + 3 = 10, 6 + 5 = 66, 7 + 2 = 63, 9 + 7 = 144 then, 8 + 4 = ? 102 96 88 114 102 96 88 114 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 96
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