Number System 4/6 of 6/5 of 5/7 of a number is 96. Find the number. 162 170 164 168 162 170 164 168 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 4/6 x 6/5 x 5/7 = 96∴ x = 96 x 6 x 5 x 7/4 x 6 x 5 = 168
Number System Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? 34 65 78 23 34 65 78 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
Number System Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number? N(N + 1)/2 N(N + 1) N2 + 1 N2 N(N + 1)/2 N(N + 1) N2 + 1 N2 ANSWER DOWNLOAD EXAMIANS APP
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? 6 4 1 Nothing can be said. 6 4 1 Nothing can be said. ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) – (10y + x) = 54x – y = 6
Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 180 160 240 140 180 160 240 140 ANSWER DOWNLOAD EXAMIANS APP
Number System What should come in place of the question mark (?) in the following number series ? 888 888 444 148 ? 7.4 37 29 35 33 37 29 35 33 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 888 ÷ 1 = 888888 ÷ 2 = 444444 ÷ 3 = 148148 ÷ 4 = 3737 ÷ 5 = 7.4
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