Number System 8988 / 8 / 4 = ? 561.75 2247 4494 280.875 561.75 2247 4494 280.875 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8988 * 1/8 * 1/4 = 2247/8 = 280.875
Number System (√6 + 1)² = ? + 2√6 8 5 6 7 8 5 6 7 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 2536+4851—?=3450+313 3624 6784 4567 5243 3624 6784 4567 5243 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3624
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' ? 1480 1580 1780 1680 1480 1580 1780 1680 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 the L.C.M of two numbers is 750 and their product is 18750, find the H.C.F of the numbers. 30 25 125 50 30 25 125 50 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.
Number System If the difference between a number and two-fifths of that number is 45 what is the number ? 76 75 78 77 76 75 78 77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x ∴ x - 2x/5 = 45∴ x = 75
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