Number System How many figures are required to number the pages the pages of a book containing 365 pages? 897 987 977 967 897 987 977 967 ANSWER DOWNLOAD EXAMIANS APP
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 ? 8/5 1/5 3/5 7/5 8/5 1/5 3/5 7/5 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 17580 x 1.8 - 13720 x 2.1 = ? x 2.4 1140 1160 1180 1120 1140 1160 1180 1120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 2 9 5 6 2 9 5 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System 7.8% of 12.5 + 2.5% of 161 = ? 12 2 5 9 12 2 5 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 12.5/100 + 2.5 x 161/100= 0.975 + 4.025= 5
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