Number System 1260 x 1.45 - 888 x 1.75 = ? 256 273 295 367 256 273 295 367 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1260 x 1.45 - 888 x 1.75= 1827 - 1554 = 273
Number System In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3 .What was the original fraction 7/12 17/12 19/12 11/12 7/12 17/12 19/12 11/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
Number System What should come in the place of ' ? ' in the following number series ? 2, 5, 9, 19, 37, ? 76 78 75 77 76 78 75 77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2 x 2 + 1 = 5;5 x 2 - 1 = 99 x 2 + 1 = 19: 19 x 2 - 1 = 3737 x 2 + 1 = 75
Number System Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be? 9, 6 6, 9 10, 5 7, 8 9, 6 6, 9 10, 5 7, 8 ANSWER DOWNLOAD EXAMIANS APP
Number System If 5/7 of a number is 145, what is 180% of that number ? 345.4 355.4 365.4 375.4 345.4 355.4 365.4 375.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 5/7 = 145∴ x = 145 x 7/5 = 203Now, 203 x 180/100 = 365.4
Number System An urn contains 9 blue, 7 white and 4 black balls. If 2 balls are drawn at random, then what is the probability that only one ball is white ? 89/190 91/190 92/190 90/190 89/190 91/190 92/190 90/190 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total possible outcomes = 20C2 = 20 x 19/1 x 2 = 190Total favourable outcomes = 7C1 x 13C1 = 7 x 13 = 91∴ Required probability = 91/190
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