Number System 450% of a number is 4725. What is 82% of that number ? 871 841 851 861 871 841 851 861 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 450/100 = 4725= x = 4725 x 100/450 = 1050∴ 82% of 1050 = 1050 x 82/100= 861
Number System Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively? 61 67 75 65 61 67 75 65 ANSWER DOWNLOAD EXAMIANS APP
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 12/25 6/7 13/25 3/5 12/25 6/7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fraction be x/yWe have 150x/120y = 9/15= x/y = 12/25
Number System 4500 * ? = 3375 1/4 3/5 2/5 3/4 1/4 3/5 2/5 3/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4500 * x = 3375= x = 3375/4500 = 3/4
Number System Find the smallest number which should be multiplied with 520 to make it a perfect square. 55 30 120 None of these 55 30 120 None of these ANSWER DOWNLOAD EXAMIANS APP
Number System In how many different ways can the letters of the word TEST' be arranged ? 10 12 16 8 10 12 16 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word TEST consists of 4 letters in which T comes twice ∴ Number of arrangements= 4!/2! = 4 x 3 x 2 x 1/2 x 1 = 12
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