Number System 16.23 x 12.9 + 17.32 = ? 246.687 236.687 None of these 226.687 246.687 236.687 None of these 226.687 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16.23 x 12.9 + 17.32= 209.367 + 17.32= 226.687
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 ? 7/5 3/5 8/5 1/5 7/5 3/5 8/5 1/5 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 Complete the series : 1, 2, 3, 5, 8, 13 .... 7 9 4 1 7 9 4 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1
Number System 2/11 of 3/7 of 8/13 of 12012 = ? 576 449 321 241 576 449 321 241 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
Number System (12)² - (4.4)² - (0.04)² = ? 129.6384 131.6384 125.6384 124.6384 129.6384 131.6384 125.6384 124.6384 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (12)² - (4.4)² - (0.04)²= 144 - 19.36 - 0.0016= 124.64 - 0.0016= 124.6384
Number System The difference between the two digit number and the number obtained by interchanging its digits is 54. The difference between the digits is? Nothing can be said. 6 1 4 Nothing can be said. 6 1 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) – (10y + x) = 54x – y = 6
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