Number System If the difference between a number and its three fifths is 62, what is the number ? 165 175 145 155 165 175 145 155 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155
Number System If the L.C.M of two numbers is 750 and their product is 18750, find the H.C.F of the numbers. 125 25 30 50 125 25 30 50 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.
Number System What least number shall be added to 4700 to make it a perfect square ? 61 71 81 91 61 71 81 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (69)² = 4761 and (68)² = 4624Clerly 4624 < 4700 < 4761So 61 should be added to make 4700 a perfect square.
Number System One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number? 3 5 9 7 3 5 9 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x/2 – x/3 = 6=> x =63 + 6 = 9
Number System (4 86%of 6500) ÷ 36 =? 677.5 777.5 977.5 877.5 677.5 777.5 977.5 877.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 877.5
Number System Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? 34 65 78 23 34 65 78 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
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