Number System 56.21 +2.36+5.41 —21.4+1.5=? 54.08 34.08 64.08 44.08 54.08 34.08 64.08 44.08 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 44.08
Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 103 92 95 99 103 92 95 99 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System If one-seventh of a number is 55 then 40% of that number = ? 171 147 154 163 171 147 154 163 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x , Therefore, x/7 = 55Therefore, x = 55 x 7 = 385Therefore, 49% of 385 = 154
Number System A number when divided by 221 gives a remainder 43, what remainder will be obtained by dividing the same number 17? 9 11 5 10 9 11 5 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 221 + 43 = 264/17 = 9 (Remainder)
Number System If the fraction 8/6, 7/5, 18/13, 9/5 and 7/11 are arranged in descending order of their values, which one will be the second ? 1/9 2/7 3/4 7/5 1/9 2/7 3/4 7/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8/6 = 1. 333, 7/5 = 1.4, 18/13 = 1.3849/5 = 1.8 and 7/11 = 0.636Therefore, Descending order is 9/5 > 7/5 > 18/13 > 8/6 > 7/11Therefore Second fraction is 7/5
Number System The sum of two numbers is 25 and their difference is 13. Find their product. 114 325 104 315 114 325 104 315 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then x + y = 25 and x - y = 13.x = 19; y = 6xy = 19 * 6 = 114