Number System The average age of seven boys sitting in a row facing North is 26 years. If the average age of first three boys is 19 years and the average age of last three boys is 32 years, what is the age of the b 28 years 31 years 29 years 30 years 28 years 31 years 29 years 30 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Age of the fourth boy = (26 x 7 - 3 x 19 - 3 x 32) years = (182 - 57 - 96) years = 29 years
Number System 4500 * ? = 3375 3/4 3/5 2/5 1/4 3/4 3/5 2/5 1/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4500 * x = 3375= x = 3375/4500 = 3/4
Number System Which is the smallest fractions among the following ? 27/31 11/13 13/15 15/19 27/31 11/13 13/15 15/19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 11/13 = 0.8461,13/15 = 0.8666,27/31 = 0.87,15/19 = 0.789
Number System A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number? 84 42 21 24 84 42 21 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2/3 x = 28 => x = 4242 * 1/2 = 21
Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 850 750 550 650 850 750 550 650 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
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