Number System 7589 - ? = 3434 4155 1123 11023 4242 4155 1123 11023 4242 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 7589 - x = 3434Then x = 7589 - 3434 = 4155
Number System What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3? 43983 43893 43883 70983 43983 43893 43883 70983 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 74330 Largest30347 Smallest-------------43983
Number System In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is 725 775 640 750 725 775 640 750 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Failed students are 32% which is 248.∴ Total = 24800/32 = 775
Number System What least number shall be added to 4700 to make it a perfect square ? 81 91 71 61 81 91 71 61 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 1827÷ 36 x ?=162.4 4.3 3.2 1.9 2.6 4.3 3.2 1.9 2.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3.2
Number System When 732 is subtracted form the square of a number, the answer that is obtained is 5280. What is the number? 103 99 101 97 103 99 101 97 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 - 732 = 5280 x2 = 5280 + (70+3)2 = 5280 + 4900 + 420 + 9 = 10609= 10000 + 2(100)(3) + 32 = (100 + 3)2x = 100 + 3 = 103.
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