Number System What should come in place of question mark (?)? 8 : 1 1 : : 72: 99 89 109 79 99 89 109 79 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let ? = xTherefore 8 : 11 : 72 : xTherefore x = (11 x 72) / 8 = 99
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? 39 59 49 69 39 59 49 69 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39
Number System Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number? N2 N2 + 1 N(N + 1) N(N + 1)/2 N2 N2 + 1 N(N + 1) N(N + 1)/2 ANSWER DOWNLOAD EXAMIANS APP
Number System 4550 ÷ 25% of ? = 130 135 130 140 125 135 130 140 125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4550 ÷ ? x 25/100 = 130= 4550 ÷ ?/4 = 130= 4550 x 4/? = 130= ? x 130 = 4550 x 4= ? = 4550 x 4/130 = 140
Number System Look at this series: 1000, 200, 40, ... What number should come next? 14 24 2 8 14 24 2 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This is a simple division series. Each number is divided by 5. Rule = (1st number / 5 = 2nd number) (2nd number / 5 = 3rd number)....Now, (1000 / 5 = 200), (200 / 5 = 40), (40 / 5 = 8)...So answer is a = 8.
Number System The Twenty-First Century will start on January 1 in the year 2001 2000 2100 2101 2001 2000 2100 2101 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
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