Number System 4/6 of 6/5 of 5/7 of a number is 96. Find the number. 164 162 170 168 164 162 170 168 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 Find the average of the following set of scores 450, 1050, 12, 390, 143, 286, 550, 999 480 485 490 495 480 485 490 495 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required average score = (450 + 1050 + 12 + 390 + 143 + 286 + 550 + 999) / 8 = 3880 / 8 = 485
Number System The difference between 71% of a number and 46% and of the same number is 212. What is 75% of that number 724 636 673 845 724 636 673 845 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ 71% of x - 46% of x = 212∴ (71 - 46)% of x = 212∴ 25/100 x x = 212∴ x = 212 x 4 = 848∴ 75% of 848 = 848 x 75/100 = 636
Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 65, 15 64, 16 62, 18 60, 20 65, 15 64, 16 62, 18 60, 20 ANSWER DOWNLOAD EXAMIANS APP
Number System Two numbers have a H.C.F of 16 and a product of two numbers is 2560. Find the L.C.M of the two numbers? 160 170 150 140 160 170 150 140 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP L.C.M of two numbers is given by(Product of the two numbers) / (H.C.F of the two numbers) = 2560/16 = 160.
Number System 3251 + 587 + 369 - ? = 3007 1200 1250 1300 1375 1200 1250 1300 1375 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200
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