Number System (2560 x 1.4) +(7400 x 0.6) =? 7234 6543 9160 8024 7234 6543 9160 8024 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8024
Number System If 35% of a number is 899.5, what is 68% of that number ? 1747.6 1847.6 2247.6 1547.6 1747.6 1847.6 2247.6 1547.6 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 17580 x 1.8 - 13720 x 2.1 = ? x 2.4 1180 1120 1140 1160 1180 1120 1140 1160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180
Number System If the sum and difference of two numbers are 20 and 8 respectively, then the difference of their square is: 160 12 28 180 160 12 28 180 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then, x + y = 20 and x - y = 8x2 - y2 = (x + y)(x - y) = 20 * 8 = 160.
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 9 5 2 6 9 5 2 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number? N2 N(N + 1)/2 N2 + 1 N(N + 1) N2 N(N + 1)/2 N2 + 1 N(N + 1) ANSWER DOWNLOAD EXAMIANS APP
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