Number System If one-third of one fourth of a number is 15, then three-tenth of that number is: 45 54 35 25 45 54 35 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.
Number System A certain number of two digits is three times the sum of its digits. If 45 be added to it, the digits are reversed. The number is: 22 30 24 27 22 30 24 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 27
Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 35 75 91 89 35 75 91 89 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System If (35)² is added to the square of a number the answer so obtained is 1394. What is the number ? 17 11 13 15 17 11 13 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² + (35)² = 1394Therefore, x² = 1394 - (35)² = 1394 - 1225 = 169Therefore, x = √169 = 13
Number System What is the difference between the largest and the smallest number written with 7, 7, 0, 7? 693 6893 6093 6993 693 6893 6093 6993 ANSWER DOWNLOAD EXAMIANS APP
Number System If a number is subtracted from its square we get 272. Find the number? 22 17 24 14 22 17 24 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 – x = 272 => x =17
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