Number System Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number 15 7.5 4 5 15 7.5 4 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.7x -15 = 2x + 10 => 5x = 25 => x = 5
Number System If the fractions 1/7, 3/5, 2/5, 5/6 and 9/11 are arranged in descending order of their values, which one will be the fourth number? 1/5 3/5 2/5 4/5 1/5 3/5 2/5 4/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/4 = 14. 3/5 = 6.2/5 = 4.5/6 = 83.9/11 = 82.Therefore, 83 > 82 > 6 > 14
Number System Two numbers are in the ratio 3:5. If 9 be subtracted from each, they are in the ratio of 9:17. The first number is: 36 18 30 27 36 18 30 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (3x-9):(5x-9) = 9:17 x = 12 => 3x = 36
Number System The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number? 49 39 69 59 49 39 69 59 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39
Number System If three eighth of a number is 141. What will be the approximately value of 32.08% of this number? 120 60 160 90 120 60 160 90 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/8 = 141 => x= 376376 * 32.08/100 = 120
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