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 ? 5/9 6/9 3/9 4/9 5/9 6/9 3/9 4/9 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
Number System What should come in the place of question mark (?) in the number series given below? 158 160 159 157 158 160 159 157 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 160
Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 650 850 750 550 650 850 750 550 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
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 11/12 19/12 17/12 7/12 11/12 19/12 17/12 7/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
Number System The sum of three consecutive multiples of 3 is 72. What is the largest number? 21 36 24 27 21 36 24 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
Number System A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number? 21 84 24 42 21 84 24 42 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2/3 x = 28 => x = 4242 * 1/2 = 21