Number System Two-third of a positive number and 25/216 of its reciprocal are equal. The number is: 25/144 5/12 144/25 12/5 25/144 5/12 144/25 12/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,2/3 x = 25/216 * 1/xx2 = 25/216 * 3/2 = 25/144 x = 5/12
Number System 732.96 + 405.38 - 604.08 - 105.44 + 222.86 = ? 631.68 621.68 651.68 641.68 631.68 621.68 651.68 641.68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1361.20 - 709.52 = 651.68
Number System The sum of a number and its reciprocal is one-eighth of 34. What is the product of the number and its square root? 8 32 None of these 27 8 32 None of these 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,x + 1/x = 34/8 8x2 - 34x + 8 = 0 4x2 - 17x + 4 = 0 (4x - 1)(x - 4) = 0 x = 4required number = 4 * √4 = 4 * 2 = 8.
Number System In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3 .What was the original fraction 17/12 19/12 7/12 11/12 17/12 19/12 7/12 11/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
Number System How many figures are required for numbering the pages of a book containing 1000 pages? 3892 2893 6489 2883 3892 2893 6489 2883 ANSWER DOWNLOAD EXAMIANS APP
Number System A number when divided by 221 gives a remainder 43, what remainder will be obtained by dividing the same number 17? 9 11 10 5 9 11 10 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 221 + 43 = 264/17 = 9 (Remainder)
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