Number System If a number is multiplied by. three-fourth of itself, the value thus obtained is 10800. What is that number ? 260 180 60 120 260 180 60 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 3x/4 = 10800= x² = 10800 x 4/3 = 14400∴ x = √14400 = 120
Number System 16.23 x 12.9 + 17.32 = ? 226.687 None of these 246.687 236.687 226.687 None of these 246.687 236.687 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16.23 x 12.9 + 17.32= 209.367 + 17.32= 226.687
Number System What should come in place of the question mark (?) in the following number series ? 888 888 444 148 ? 7.4 35 37 29 33 35 37 29 33 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 888 ÷ 1 = 888888 ÷ 2 = 444444 ÷ 3 = 148148 ÷ 4 = 3737 ÷ 5 = 7.4
Number System √(17)² + (17)² + (5)² - 2 = ? 16 19 18 17 16 19 18 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √49 + 289 + 25 - 2 = √361 = 19
Number System Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers? 11, 6 12, 9 10, 5 12, 7 11, 6 12, 9 10, 5 12, 7 ANSWER DOWNLOAD EXAMIANS APP
Number System A number consists of two digits. If 3/5 of 1/5 of the number is 9. Find the sum of its two digits? 12 7 60 8 12 7 60 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/5 * 1/5 = 9x = 75 => 7 + 5 = 12
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