Number System The difference between 35% of a number and 18% of the same number is 93.5 then what is the 40% of that number ? 225 232 220 245 225 232 220 245 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Diff = (35 - 18)% of x = 93.517x/100 = 93.5Therefore, x = 550Therefore, 40% of 550 = 220
Number System If the numerator of a fraction is decreased by 12.5% and the denominator is increased by 180% the resultant fraction is 1/2. What is the original fraction ? 1/5 8/5 7/5 3/5 1/5 8/5 7/5 3/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the original fraction be x/y.∴ x x 87.5/100/y x 280/100 = 1/2or 87.5x/280y = 1/2∴ 175x = 280y∴ x/y = 280/175 = 8/5
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 112 114 118 116 112 114 118 116 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System How many figures are required to number the pages the pages of a book containing 365 pages? 977 897 967 987 977 897 967 987 ANSWER DOWNLOAD EXAMIANS APP
Number System If the product of two successive positive integers is 4692, what is the smaller number ? 70 68 66 64 70 68 66 64 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 68 x 69 = 4692
Number System 8988 / 8 / 4 = ? 561.75 2247 4494 280.875 561.75 2247 4494 280.875 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8988 * 1/8 * 1/4 = 2247/8 = 280.875
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