Number System If the difference between a number and two-fifths of that number is 45 what is the number ? 78 75 76 77 78 75 76 77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x ∴ x - 2x/5 = 45∴ x = 75
Number System Of the three numbers, second is twice the first and is also thrice the third. If the average of the three numbers is 44, the largest number is 56 72 44 38 56 72 44 38 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 72
Number System The sum of two numbers is 25 and their difference is 13. Find their product. 315 104 325 114 315 104 325 114 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
Number System If a number is multiplied by. three-fourth of itself, the value thus obtained is 10800. What is that number ? 260 120 60 180 260 120 60 180 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 Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case. 391 386 388 384 391 386 388 384 ANSWER DOWNLOAD EXAMIANS APP
Number System 1051.64 - 159.42 - 96.84 + 162.37 - 940.26 + 504 = ? 491.49 521.49 501.49 511.49 491.49 521.49 501.49 511.49 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1718.01 - 1196.52 = 521.49