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' ? 3016 4098 1456 2871 3016 4098 1456 2871 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 Complete the series : 1, 2, 3, 5, 8, 13 .... 4 1 9 7 4 1 9 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1
Number System The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: None of these 30 40 20 None of these 30 40 20 ANSWER DOWNLOAD EXAMIANS APP
Number System A number when divided by 221 gives a remainder 43, what remainder will be obtained by dividing the same number 17? 9 11 5 10 9 11 5 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 221 + 43 = 264/17 = 9 (Remainder)
Number System 4500 * ? = 3375 3/5 3/4 2/5 1/4 3/5 3/4 2/5 1/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4500 * x = 3375= x = 3375/4500 = 3/4
Number System In how many ways can 5 boys be chosen from 6 boys and 4 girls so as to include exactly one girl ? 58 60 56 54 58 60 56 54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP One girl can be chosen in 4C1 = 4 ways and 4 boys can be chosen in 6C4 = 15 ways ∴ Total number of ways = 4 x 15 = 60 ways.
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