Number System If 35% of a number is 899.5, what is 68% of that number ? 1547.6 2247.6 1847.6 1747.6 1547.6 2247.6 1847.6 1747.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Suppose the number is x.Then 35% of x = 899.5∴ 68% of x = 68/35 x 899.5 = 1747.6
Number System What is the sum of all the prime numbers from 20 to 40? 118 117 119 120 118 117 119 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 95 92 99 103 95 92 99 103 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System 7.8 x 4.5 x 4.2/0.14 = ? 1053 1032 1012 1087 1053 1032 1012 1087 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 4.5 x 4.2/0.14 = 1053
Number System (4300731) - ? = 2535618 1865113 1765113 1775123 1675123 1865113 1765113 1775123 1675123 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4300731 - x = 2535618Then, x = 4300731 - 2535618 = 1765113
Number System What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ? 5656 7878 4545 3434 5656 7878 4545 3434 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 15, (15 + 2) x 3 = 51,(51 + 3) x 3 = 162, (162 + 4) x 3 = 498, (498 + 5) x 3 = 1509(1509 + 6) x 3 = 4545