Number System What is the least number, which is perfect square but contains 2700 as its factor? 5400 10800 1800 2700 5400 10800 1800 2700 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
Number System 75% of 250 - ?% of 380 = 54.5 31 39 35 33 31 39 35 33 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 250 x 75/100 - 380 x ?/100 = 54.5= 250 x 75 - 380 x ?= 54.5 x 100= 18750 - 380 x ?= 5450= 380 x? = 18750 - 5450= 13300= ? = 13300/380 = 35
Number System Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 18 8 16 12 18 8 16 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.
Number System 124, 235, 447, 760, 1174, ? 1689 1389 1489 1589 1689 1389 1489 1589 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP +111, +212, +313, +414
Number System What is the sum of all the numbers between 300 and 1000 which are divisible by 179? 2527 2506 2607 2517 2527 2506 2607 2517 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 358/179 ….. 895/179179(2 + 3 + 4 + 5) => 2506
Number System In how many different ways can the letters of word "COLLEGE" be arranged ? 1260 1240 1280 1300 1260 1240 1280 1300 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 7!/2!2! = 1260(∵ L and E come twice)
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