Number System Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 16 12 8 18 16 12 8 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.
Number System What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227 204 210 234 222 204 210 234 222 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Avg = 173 + 192 + 198 + 204 + 211 + 223 + 227/7 = 1428/7 = 204
Number System The square root of 3 + “5 is : “5 /2 - 1/”2 “3 /2 - 1/”2 “(5/2) + “(1/2) “3 /2 + 1/”2 “5 /2 - 1/”2 “3 /2 - 1/”2 “(5/2) + “(1/2) “3 /2 + 1/”2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP “(5/2) + “(1/2)
Number System If 35% of a number is 899.5, what is 68% of that number ? 1547.6 1847.6 2247.6 1747.6 1547.6 1847.6 2247.6 1747.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Suppose the number is x.Then 35% of x = 899.5∴ 68% of x = 68/35 x 899.5 = 1747.6
Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.784 8.484 8.684 8.584 8.784 8.484 8.684 8.584 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
Number System When (21)² is subtracted from the square of a number the answer obtained is 1584. What is the number ? 35 55 65 45 35 55 65 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question,x² - (21)² = 1584= x² - 441 = 1584 = x² = 1584 + 441 = 2025∴ x = √2025 = 45
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