Number System What should come in place of the question mark (?) in the following number series ? 888 888 444 148 ? 7.4 37 35 33 29 37 35 33 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 888 ÷ 1 = 888888 ÷ 2 = 444444 ÷ 3 = 148148 ÷ 4 = 3737 ÷ 5 = 7.4
Number System (12)² - (4.4)² - (0.04)² = ? 131.6384 124.6384 129.6384 125.6384 131.6384 124.6384 129.6384 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 Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number 15 5 4 7.5 15 5 4 7.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.7x -15 = 2x + 10 => 5x = 25 => x = 5
Number System In a division sum, the quotient is 120, the divisor 456 and the remainder 333, find the dividend? 55053 5553 50553 56053 55053 5553 50553 56053 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 120 * 456 + 333 = 55053
Number System If (83)² is subtracted from the square of a number, the answer so obtained is 8487. What is the number ? 179 163 146 124 179 163 146 124 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² - (83)² = 8487x² = 8487 + (83)²x² = 8487 + 6889x² = 15376Therefore, x² = 15376 x = 124
Number System The square root of 0.0081 is: 0.009 0.09 0.9 0.91 0.009 0.09 0.9 0.91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.09