Number System The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is: 3/10 5/4 3/5 4/5 3/10 5/4 3/5 4/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/x - x = 9/20 20x2 + 9x - 20 = 0 20x2 + 25x - 16x - 20 = 0 5x(4x + 5) -4(4x + 5) = 0(4x + 5)(5x - 4) = 0x = 4/5
Number System Two third of three- fifth of one fourth of a number is 24, what is 30% of that number? 72 90 69 42 72 90 69 42 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 2/3 * 3/5 * 1/4 = 24x = 240240 * 30/100 = 72
Number System Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers? 12, 7 11, 6 12, 9 10, 5 12, 7 11, 6 12, 9 10, 5 ANSWER DOWNLOAD EXAMIANS APP
Number System In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3 .What was the original fraction 7/12 17/12 11/12 19/12 7/12 17/12 11/12 19/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
Number System Find out the smallest possible number which will be divisible by 1122 as well as 153. 2366 1366 4366 3366 2366 1366 4366 3366 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3366
Number System 65 x 288 ÷ 52 = 1.8 x ? 210 200 190 180 210 200 190 180 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 65x288/52x1.8 = 200
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