Number System The average of five consecutive even numbers A, B, C, D and E is 54. What is the product of'B' and 'E' ? 4098 2871 3016 1456 4098 2871 3016 1456 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Because, The even numbers are consecutive and their average is 54.∴ The number C will be 54.∴ A = 50, B = 52, D = 56, E = 58B x E = 52 x 58 = 3016
Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 64, 16 65, 15 60, 20 62, 18 64, 16 65, 15 60, 20 62, 18 ANSWER DOWNLOAD EXAMIANS APP
Number System The cost of 87 pens and 29 pencils is `783. What is the cost of 90 pens and 30 pencils ? Rs. 800 Rs. 820 Rs. 810 Rs. 830 Rs. 800 Rs. 820 Rs. 810 Rs. 830 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the price of a pen be 'x' and that of pencil be 'y' Then 87x + 29y = 783Multiplying eqn (i) by 30/29 we get (87x) x 30/29 + (29y) 30/29 = 783 x 30/29∴ 90x + 30y = 810
Number System Complete the series : 11, 12, 17, 18, 23, 24 ... 12 14 None of these 30 12 14 None of these 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP None of these
Number System If the fractions8/5,7/2,9/5,5/4,4/5 are arranged in descending order of their values, which one will be fourth? 11/13 1/3 7/9 5/4 11/13 1/3 7/9 5/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5/4
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
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