Number System 4.78% of 1255 + 3.24% of 440=0.5% of ? 14849 12849 11849 13849 14849 12849 11849 13849 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.5 x ?/100 = 4.78 x 1255/100 + 3.24 x 440/100= 59.989 + 14.256∴ ? = 74.245 x 100/0.5 = 14849
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 2 9 5 6 2 9 5 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System The square root of 3 + “5 is : “5 /2 - 1/”2 “(5/2) + “(1/2) “3 /2 + 1/”2 “3 /2 - 1/”2 “5 /2 - 1/”2 “(5/2) + “(1/2) “3 /2 + 1/”2 “3 /2 - 1/”2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP “(5/2) + “(1/2)
Number System Supply the missing figure : 2, 6, 12, 20, 30 ... 56 40 42 41 39 40 42 41 39 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 42
Number System Complete the series : 81, 69, 58, 48, 39 ........ 29 31 28 30 29 31 28 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
Number System If the numerator of a fraction is decreased by 12.5% and the denominator is increased by 180% the resultant fraction is 1/2. What is the original fraction ? 8/5 1/5 7/5 3/5 8/5 1/5 7/5 3/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the original fraction be x/y.∴ x x 87.5/100/y x 280/100 = 1/2or 87.5x/280y = 1/2∴ 175x = 280y∴ x/y = 280/175 = 8/5
EXAMIANS