Number System √(17)² + (17)² + (5)² - 2 = ? 19 18 17 16 19 18 17 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √49 + 289 + 25 - 2 = √361 = 19
Number System In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, the dividend is: 2568 5336 6890 9865 2568 5336 6890 9865 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5336
Number System If (83)² is subtracted from the square of a number, the answer so obtained is 8487. What is the number ? 163 124 179 146 163 124 179 146 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² - (83)² = 8487x² = 8487 + (83)²x² = 8487 + 6889x² = 15376Therefore, x² = 15376 x = 124
Number System If 70% of an equal to 40% of b, then ratio between a and b is? 7: 11 4: 7 7: 4 None 7: 11 4: 7 7: 4 None ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
Number System In a two-digit number, the digit in unit's place is two more than three times the digit in ten's place. If the sum of the two digits is 10, what is the number ? 22 28 24 18 22 28 24 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.∴ y = 3x + 2 .......(i)And, x + y = 10 ......(ii)From (i) and (ii), x = 2, y = 8∴ Number = 28
Number System If one-third of one fourth of a number is 15, then three-tenth of that number is: 54 25 45 35 54 25 45 35 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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