Number System Find the least value of 3x + 4y if x2y3 = 6. 6 10 3 7 6 10 3 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
Number System The average of five consecutive even numbers A, B, C, D and E is 42. What is the product of B and D ? 4589 3289 1760 2476 4589 3289 1760 2476 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A + B + C + D + E/5 = 42∴ C = 42, ∴ B = 40, ∴ D = 44∴ B x D = 40 x 44 = 1760
Number System (4 86%of 6500) ÷ 36 =? 677.5 777.5 977.5 877.5 677.5 777.5 977.5 877.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 877.5
Number System Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is: 5 10 6 4 5 10 6 4 ANSWER DOWNLOAD EXAMIANS APP
Number System A certain number successively divided by 2, 5 and 7 leaves remainders 1, 2 and 3 respectively. When the same number is divided by 70, what is the remainder? 34 33 35 36 34 33 35 36 ANSWER DOWNLOAD EXAMIANS APP
Number System The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference of the two digits of the number ? 2 3 1 4 2 3 1 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) - (10y + x) = 36,9(x - y) = 36/9 = 4
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