Number System If the sum of 4 consecutive odd numbers is 104, what will be the third number if they are arranged in ascending order ? 29 30 28 27 29 30 28 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the consecutive odd number be x, x + 2, x + 4 and x + 6 respectively.According to the question x + x + 2 + x + 4 + x + 6 = 104 = 4x + 12 = 104 = 4x = 104 - 12 = 92∴ x = 92/4 = 23∴ Required number = x + 4= 23 + 4 = 27
Number System If x + y = 61 and xy = 888, What is the value of x²+ y² ? 1975 1945 1965 1955 1975 1945 1965 1955 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Because (x + y)² = x² + y² + 2xy∴ x² + y² = (x + y)² - 2xy∴ x² + y² = (61)² - 2 x 888= 3721 - 1776 = 1945
Number System 56.21 +2.36+5.41 —21.4+1.5=? 64.08 34.08 54.08 44.08 64.08 34.08 54.08 44.08 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 44.08
Number System 50% of 8/15 of 9/4 of 5/3 of 333 = ? 555 444 333 666 555 444 333 666 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 50% of [8x9x5/15x4x3 x 333]= 50% of 666= 333
Number System Which choice provides the answer in the following : If 2 * 3 = 36, 5 * 4 = 400, 6 * 2 = 144, 3 * 3 = 81; then, 5 * 5 = ? 325 525 625 425 325 525 625 425 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 625
Number System What is the value of 8/11 of 5/7 of 96% of 28875 ? 15400 13800 12900 14400 15400 13800 12900 14400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = 8 x 5 x 96 x 28875/11 x 7 x 100 = 14400
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