Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 47 46 44 45 47 46 44 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 2 9 5 6 2 9 5 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System What is the difference between the local value of 7 and 5 in the number 2574? 570 403 413 430 570 403 413 430 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 500 – 70 = 430
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 7/12 11/12 17/12 19/12 7/12 11/12 17/12 19/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
Number System 106 * 106 - 94 * 94 = ? 2000 2400 1906 1904 2000 2400 1906 1904 ANSWER DOWNLOAD EXAMIANS APP
Number System If one-third of one fourth of a number is 15, then three-tenth of that number is: 35 54 45 25 35 54 45 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,1/3 of 1/4 of x = 15x = 15 * 12 = 180So, required number = (3/10 * 180) = 54.
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