Number System The average of five consecutive even numbers, p, q, r, s and t is 40. What is the product of 'r' and 's' ? 1580 1680 1780 1480 1580 1680 1780 1480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x, x + 2, x + 4, x + 6, and x + 8Avg = x + x + 2 + x + 4 + x + 6 + x + 8/5 = 40Therefore, 5x + 20 = 200Therefore, x = 180/5 = 36Therefore, r = x + 4 = 40 s = x + 6 = 42Therefore, Product = 1680
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 5 2 6 9 5 2 6 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System The square root of 0.0081 is: 0.91 0.009 0.9 0.09 0.91 0.009 0.9 0.09 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.09
Number System 50% of 8/15 of 9/4 of 5/3 of 333 = ? 666 333 555 444 666 333 555 444 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 50% of [8x9x5/15x4x3 x 333]= 50% of 666= 333
Number System Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively? 65 61 75 67 65 61 75 67 ANSWER DOWNLOAD EXAMIANS APP
Number System 3√103820 x 3√274620 = ? 3055 3045 3065 3035 3055 3045 3065 3035 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3√103820 = 47 and 3√274620 = 65 ∴ ? = 47 x 65 = 3055
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