Number System Find the smallest number which when divided by 13 and 16 leaves respective remainders of 2 and 5. 219 197 207 187 219 197 207 187 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 'N' is the smallest number which divided by 13 and 16 leaves respective remainders of 2 and 5.Required number = (LCM of 13 and 16) - (common difference of divisors and remainders) = (208) - (11) = 197.
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 21 20 23 22 21 20 23 22 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System What least number should be added to 8602 to make it a perfect square ? 47 36 51 41 47 36 51 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP So, (93)² = 8649So, the required number to be added to make a perfect square = 8649 - 8602 = 47
Number System (12)² - (4.4)² - (0.04)² = ? 125.6384 124.6384 129.6384 131.6384 125.6384 124.6384 129.6384 131.6384 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (12)² - (4.4)² - (0.04)²= 144 - 19.36 - 0.0016= 124.64 - 0.0016= 124.6384
Number System √9216 + √15376 = ? 224 227 231 220 224 227 231 220 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √9216 + √15376= 96 + 124= 220
Number System If the numerator of a fraction is decreased by 12.5% and the denominator is increased by 180% the resultant fraction is 1/2. What is the original fraction ? 8/5 3/5 1/5 7/5 8/5 3/5 1/5 7/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the original fraction be x/y.∴ x x 87.5/100/y x 280/100 = 1/2or 87.5x/280y = 1/2∴ 175x = 280y∴ x/y = 280/175 = 8/5
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