Number System How many numbers up to 200 are divisible by 2 and 3 both? 29 27 33 35 29 27 33 35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 200/6 = 33 2/6 => 33 Numbers
Number System If a number is subtracted from its square we get 272. Find the number? 24 22 14 17 24 22 14 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 – x = 272 => x =17
Number System On dividing 2272 as well as 875 by 3-digit number N, we get the same remainder. The sum of the digits of N is: 11 13 12 10 11 13 12 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Clearly, (2272 - 875) = 1397, is exactly divisible by N.Now. 1397 = 11 * 127The required 3-digit number is 127, the sum of whose digit is 10.
Number System If (83)² is subtracted from the square of a number, the answer so obtained is 8487. What is the number ? 179 146 163 124 179 146 163 124 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 217 * 217 + 183 * 183 = ? 79698 80578 81268 80698 79698 80578 81268 80698 ANSWER DOWNLOAD EXAMIANS APP
Number System If the sum of one-half of a number exceeds one-third of that number by 7 1/3, the number is: 15 30 18 20 15 30 18 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,(1/2 x + 1/5 x) - 1/3 x = 22/311/30 x = 22/3x = 20