Number System Subtracting 30 from a number, the remainder is one fourth of the number. Find the number? 40 45 30 22 1/2 40 45 30 22 1/2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/4 x = 30 => x = 40
Number System The sum of the numbers is 264. If the first number be twice the second and third number be one-third of the first, then the second number is: 54 48 84 72 54 48 84 72 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the second number be x. Then, first number = 2x and third number = 2x/3.2x + x + 2x/3 = 26411x/3 = 264x = 72
Number System The difference between two integers is 5. Their product is 500. Find the numbers. 30, 25 21, 26 20, 25 15, 20 30, 25 21, 26 20, 25 15, 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the integers be x and (x + 5). Then, x(x + 5) = 500 x2 + 5x - 500 = 0 (x + 25)(x - 20) = 0 x = 20So, the numbers are 20 and 25.
Number System If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number. 91 86 97 94 91 86 97 94 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 94
Number System 7.8 x 4.5 x 4.2/0.14 = ? 1053 1087 1032 1012 1053 1087 1032 1012 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 4.5 x 4.2/0.14 = 1053
Number System ?125÷5x ?=6265 1253 124 153 1452 1253 124 153 1452 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1253