Number System Find the smallest number which should be multiplied with 520 to make it a perfect square. None of these 55 30 120 None of these 55 30 120 ANSWER DOWNLOAD EXAMIANS APP
Number System In how many different ways can the letters of the word "MOBILIZE" be arranged ? 18456 20160 19765 17453 18456 20160 19765 17453 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word MOBILIZE has eight letters in which I comes twice ∴ Number of arrangements = 8!/2! = 20160
Number System If the numberator of a fraction is increased by 50% and denominator by 20% the fraction become 9/15. What was the original fraction ? 13/25 3/5 6/7 12/25 13/25 3/5 6/7 12/25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fraction be x/yWe have 150x/120y = 9/15= x/y = 12/25
Number System A gardener wants to plant trees in his garden in such a way that the number of trees in each row should be the same. If there are 4 rows or 5 rows or 6 rows, then no tree will be left. Find the least 240 60 120 30 240 60 120 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The least number of trees that are required = LCM(4, 5, 6) = 60.
Number System The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number? 59 49 69 39 59 49 69 39 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39
Number System 1827÷ 36 x ?=162.4 2.6 3.2 4.3 1.9 2.6 3.2 4.3 1.9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3.2
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