Number System The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is: 290/289 289 289/290 1/289 290/289 289 289/290 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 The sum of the numbers is 264. If the first number be twice the second and third number be one-third of the first, then the second number is: 48 84 54 72 48 84 54 72 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the second number be x. Then, first number = 2x and third number = 2x/3.2x + x + 2x/3 = 26411x/3 = 264x = 72
Number System How many figures are required for numbering the pages of a book containing 1000 pages? 2893 2883 3892 6489 2893 2883 3892 6489 ANSWER DOWNLOAD EXAMIANS APP
Number System (164 x 175) x ? = 258300 11 2 5 9 11 2 5 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 258300 / 164 x 175 = 9
Number System In a division sum, the quotient is 120, the divisor 456 and the remainder 333, find the dividend? 50553 55053 5553 56053 50553 55053 5553 56053 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 120 * 456 + 333 = 55053
Number System Find the least value of 3x + 4y if x2y3 = 6. 3 7 10 6 3 7 10 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
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