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 2871 1456 4098 3016 2871 1456 4098 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 If R2 = S3 = K, where R, S and K are integers. Find the smallest positive integral value of K. (Greater than 1) 75 88 54 64 75 88 54 64 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 64
Number System Subtracting 30 from a number, the remainder is one fourth of the number. Find the number? 40 45 22 1/2 30 40 45 22 1/2 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/4 x = 30 => x = 40
Number System One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number? 9 3 7 5 9 3 7 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x/2 – x/3 = 6=> x =63 + 6 = 9
Number System 450% of a number is 4725. What is 82% of that number ? 851 871 861 841 851 871 861 841 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 450/100 = 4725= x = 4725 x 100/450 = 1050∴ 82% of 1050 = 1050 x 82/100= 861
Number System What is the value of ? in the following equations ? 72/? = ?/50 100 40 80 60 100 40 80 60 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 72 x 50= (6 x 6 x 2) x (5 x 5 x 2)= (6 x 5 x 2)² = (60)²∴ ? = 60
EXAMIANS