Number System What should come in place of question mark (?)? 8 : 1 1 : : 72: 99 109 79 89 99 109 79 89 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let ? = xTherefore 8 : 11 : 72 : xTherefore x = (11 x 72) / 8 = 99
Number System If the fractions 1/7, 3/5, 2/5, 5/6 and 9/11 are arranged in descending order of their values, which one will be the fourth number? 2/5 1/5 3/5 4/5 2/5 1/5 3/5 4/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/4 = 14. 3/5 = 6.2/5 = 4.5/6 = 83.9/11 = 82.Therefore, 83 > 82 > 6 > 14
Number System Find the greatest four digit number which leaves respective remainders of 2 and 5 when divided by 15 and 24. None of these 9565 9125 9974 None of these 9565 9125 9974 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Since the difference between the divisors and the respective remainders is not constant, back substitution is the convenient method. None of the given numbers is satisfying the condition.
Number System 7432 ÷ 32 x ? = 2787 12 78 41 21 12 78 41 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7432/32 x ? = 2787= ? = 2787 x 32/7432 = 12
Number System In how many different ways can the letters of word "COLLEGE" be arranged ? 1300 1260 1240 1280 1300 1260 1240 1280 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 7!/2!2! = 1260(∵ L and E come twice)
Number System Find the number which multiplied by 15 is increased by 196. 20 14 26 28 20 14 26 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,15x - x = 196x = 14
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