Number System What is the sum of all the numbers between 300 and 1000 which are divisible by 179? 2607 2506 2517 2527 2607 2506 2517 2527 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 358/179 ….. 895/179179(2 + 3 + 4 + 5) => 2506
Number System The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is: 1/289 289 289/290 290/289 1/289 289 289/290 290/289 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 2/11 of 3/7 of 8/13 of 12012 = ? 576 321 241 449 576 321 241 449 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
Number System A certain number when divided by 45 leaves a remainder 31, what is the remainder if the same number be divided by 15? 13 1 11 9 13 1 11 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 45 + 31 = 76/15 = 1 (Remainder)
Number System Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? 65 23 34 78 65 23 34 78 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
Number System 3√103820 x 3√274620 = ? 3065 3045 3035 3055 3065 3045 3035 3055 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3√103820 = 47 and 3√274620 = 65 ∴ ? = 47 x 65 = 3055
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