Number System 217 * 217 + 183 * 183 = ? 79698 80578 81268 80698 79698 80578 81268 80698 ANSWER DOWNLOAD EXAMIANS APP
Number System 3√68921 = ? 31 41 21 51 31 41 21 51 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√68921= 3√41 x 41 x 41= 41
Number System (√6 + 1)² = ? + 2√6 6 8 7 5 6 8 7 5 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 4/6 of 6/5 of 5/7 of a number is 96. Find the number. 164 170 162 168 164 170 162 168 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 4/6 x 6/5 x 5/7 = 96∴ x = 96 x 6 x 5 x 7/4 x 6 x 5 = 168
Number System The simplest form of 1.5 : 2.5 is : 5 : 7 17 : 19 13 : 11 3 : 5 5 : 7 17 : 19 13 : 11 3 : 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 : 5
Number System How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ? 56 52 36 48 56 52 36 48 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36
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