Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.784 8.584 8.684 8.484 8.784 8.584 8.684 8.484 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
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 7/12 19/12 11/12 17/12 7/12 19/12 11/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
Number System If (83)² is subtracted from the square of a number, the answer so obtained is 8487. What is the number ? 124 179 163 146 124 179 163 146 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 3√103820 x 3√274620 = ? 3035 3055 3065 3045 3035 3055 3065 3045 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3√103820 = 47 and 3√274620 = 65 ∴ ? = 47 x 65 = 3055
Number System How many numbers up to 200 are divisible by 2 and 3 both? 27 35 29 33 27 35 29 33 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 200/6 = 33 2/6 => 33 Numbers
Number System The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: 40 20 None of these 30 40 20 None of these 30 ANSWER DOWNLOAD EXAMIANS APP
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