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 4/9 3/9 6/9 5/9 4/9 3/9 6/9 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 65% of 320+?=686 481 478 480 479 481 478 480 479 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
Number System Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be? 9, 6 7, 8 6, 9 10, 5 9, 6 7, 8 6, 9 10, 5 ANSWER DOWNLOAD EXAMIANS APP
Number System How many figures are required for numbering the pages of a book containing 1000 pages? 3892 2883 6489 2893 3892 2883 6489 2893 ANSWER DOWNLOAD EXAMIANS APP
Number System If the difference between a number and its three fifths is 62, what is the number ? 165 145 155 175 165 145 155 175 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155
Number System Two numbers have a H.C.F of 16 and a product of two numbers is 2560. Find the L.C.M of the two numbers? 170 140 150 160 170 140 150 160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP L.C.M of two numbers is given by(Product of the two numbers) / (H.C.F of the two numbers) = 2560/16 = 160.
EXAMIANS