Number System 2536+4851—?=3450+313 3624 4567 5243 6784 3624 4567 5243 6784 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3624
Number System What least number shall be added to 4700 to make it a perfect square ? 81 61 91 71 81 61 91 71 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (69)² = 4761 and (68)² = 4624Clerly 4624 < 4700 < 4761So 61 should be added to make 4700 a perfect square.
Number System If the sum of the two numbers is 22 and the sum of their squares is 404, then the product of the numbers is: 88 80 40 44 88 80 40 44 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then, (x + y) = 22 and x2 + y2 = 404 Now, 2xy = (x + y)2 - (x2 + y2) 2xy= 222 - 404 = 484 - 404 = 80xy = 40
Number System Find the number which multiplied by 15 is increased by 196. 28 26 20 14 28 26 20 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,15x - x = 196x = 14
Number System (12)² - (4.4)² - (0.04)² = ? 129.6384 124.6384 131.6384 125.6384 129.6384 124.6384 131.6384 125.6384 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (12)² - (4.4)² - (0.04)²= 144 - 19.36 - 0.0016= 124.64 - 0.0016= 124.6384
Number System ?2704 x ?2209=? 1444 3444 2444 4444 1444 3444 2444 4444 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2444
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