Number System If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number. 97 91 94 86 97 91 94 86 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 94
Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 42.6 54.7 42.1 45 42.6 54.7 42.1 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
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: 80 44 40 88 80 44 40 88 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 (√6 + 1)² = ? + 2√6 5 7 6 8 5 7 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 1260 x 1.45 - 888 x 1.75 = ? 256 367 273 295 256 367 273 295 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1260 x 1.45 - 888 x 1.75= 1827 - 1554 = 273
Number System Find the number which multiplied by 15 is increased by 196. 20 14 28 26 20 14 28 26 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,15x - x = 196x = 14
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