Number System Two third of three- fifth of one fourth of a number is 24, what is 30% of that number? 42 72 69 90 42 72 69 90 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 2/3 * 3/5 * 1/4 = 24x = 240240 * 30/100 = 72
Number System The difference between 68% of a number and 35% of the same number is 1216. What is 28% of the number ? 1027.75 1031.75 1037.75 1043.75 1027.75 1031.75 1037.75 1043.75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be xTherefore 68x / 100 - 35x / 100 = 1216 Therefore x = 1216 x 100 / 33Therefore 28% of x = 28x / 100 = 1216 x 100 / 33 x 28 / 100= 1216 x 100 x 28 / 33 x 1/100 = 1031.75
Number System Complete the series : 81, 69, 58, 48, 39 ........ 30 28 31 29 30 28 31 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
Number System What should come in the place of ' ? ' in the following number series ? 2, 5, 9, 19, 37, ? 75 78 76 77 75 78 76 77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2 x 2 + 1 = 5;5 x 2 - 1 = 99 x 2 + 1 = 19: 19 x 2 - 1 = 3737 x 2 + 1 = 75
Number System The sum of five consecutive numbers is 190. What is the sum of the largest and the smallest number ? 75 76 74 73 75 76 74 73 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4= 190= 5x + 10 = 190= 5x = 190 - 10 = 180= x = 180/5 = 36The largest number = 36 + 4 = 40∴ Required sum = 36 + 40 = 76
Number System ?125÷5x ?=6265 153 124 1253 1452 153 124 1253 1452 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1253