Number System (800 / 64) * (1296 / 36) = ? 460 None of these 420 500 460 None of these 420 500 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp.= 800/64 * 1296/36 = 12.5 * 36 = 450
Number System In how many different ways can the letters of word "COLLEGE" be arranged ? 1280 1300 1240 1260 1280 1300 1240 1260 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 7!/2!2! = 1260(∵ L and E come twice)
Number System If the fractions8/5,7/2,9/5,5/4,4/5 are arranged in descending order of their values, which one will be fourth? 7/9 1/3 11/13 5/4 7/9 1/3 11/13 5/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5/4
Number System If the following fractions 7/6, 6/7, 5/3, 8/13 and 6/5 are arranged in descending order, which will be the last in the series? 6/13 8/13 7/13 9/13 6/13 8/13 7/13 9/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/6 = 1.166, 6/7 = 0.857,5/3 = 1.66,8/13 = 0.615,6/5 = 1.2Therefore, 5/3 > 6/5 > 7/6 > 6/7 > 8/13
Number System A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number? 24 42 21 84 24 42 21 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2/3 x = 28 => x = 4242 * 1/2 = 21
Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 11 8 9 10 11 8 9 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers