Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 62, 18 60, 20 64, 16 65, 15 62, 18 60, 20 64, 16 65, 15 ANSWER DOWNLOAD EXAMIANS APP
Number System 384×12×2=? 6123 7487 9216 8465 6123 7487 9216 8465 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216
Number System The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and 15 as remainder. What is the smaller number? 240 360 270 295 240 360 270 295 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the smallest number be x.Then larger number = (x + 1365)x + 1365 = 6x + 15= 5x = 1350 x = 270Smaller number = 270.
Number System {3√4913}² = ? 225 121 333 289 225 121 333 289 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (3√4913)² = (17)² = 289
Number System The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is: 290/289 1/289 289/290 289 290/289 1/289 289/290 289 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,ab = 17, a = 1 and b = 17So, 1/a2 + 1/b2 = (a2 + b2)/a2 b2 = (12 + 172)/(1 * 17)2 = 290/289
Number System If the numerator of a fraction is increased by 200% and the denominator by 300%, the fraction thus obtained is 1/36. What is the original fractions ? 6/9 3/9 4/9 5/9 6/9 3/9 4/9 5/9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fractions be x/yx + 200% of x/y + 300% of y = 1/3= x + 2x/y + 3y = 1/3= 3x/4y = 1/3Hence x/y = 4/9
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