Number System If 5/7 of a number is 145, what is 180% of that number ? 375.4 345.4 355.4 365.4 375.4 345.4 355.4 365.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 5/7 = 145∴ x = 145 x 7/5 = 203Now, 203 x 180/100 = 365.4
Number System 17580 x 1.8 - 13720 x 2.1 = ? x 2.4 1160 1120 1140 1180 1160 1120 1140 1180 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180
Number System Which one of the following represents the sum of the first n even numbers? N(N – 1) N2+ 1 N(N + 1) N2 N(N – 1) N2+ 1 N(N + 1) N2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP N (N + 1)
Number System 4/6 of 6/5 of 5/7 of a number is 96. Find the number. 170 162 164 168 170 162 164 168 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 4/6 x 6/5 x 5/7 = 96∴ x = 96 x 6 x 5 x 7/4 x 6 x 5 = 168
Number System 480% of 350 + 620% of 275 = ? 4385 5385 2385 3385 4385 5385 2385 3385 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 480 x 350/100 + 620 x 275/100= 1680 + 1705 = 3385