Number System Supply the missing figure : 2, 6, 12, 20, 30 ... 56 41 39 42 40 41 39 42 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 42
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 ? 3289 1760 4589 2476 3289 1760 4589 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 Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 64, 16 62, 18 60, 20 65, 15 64, 16 62, 18 60, 20 65, 15 ANSWER DOWNLOAD EXAMIANS APP
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 6 2 5 9 6 2 5 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System (√6 + 1)² = ? + 2√6 7 5 6 8 7 5 6 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (√6 + 1)² - 2√6= (√6)² + 2 x √6 + 1 + 1² - 2√6= 6 + 2√6 + 1 - 2√6 = 6 + 1 = 7
Number System 50% of 8/15 of 9/4 of 5/3 of 333 = ? 444 555 666 333 444 555 666 333 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 50% of [8x9x5/15x4x3 x 333]= 50% of 666= 333
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