Number System A number exceeds by 25 from its 3/8 part. Then the number is? 35 39 32 40 35 39 32 40 ANSWER DOWNLOAD EXAMIANS APP
Number System Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number 5 4 15 7.5 5 4 15 7.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.7x -15 = 2x + 10 => 5x = 25 => x = 5
Number System The difference between 71% of a number and 46% and of the same number is 212. What is 75% of that number 724 845 673 636 724 845 673 636 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 Find the average of the following set of scores 450, 1050, 12, 390, 143, 286, 550, 999 490 495 485 480 490 495 485 480 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 8% of a number and 3% of the same number is 39. What is 2.8% of that number ? 27.84 24.84 25.84 21.84 27.84 24.84 25.84 21.84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x(8 - 3)% = 39x = 3900/5 = 780∴ 2.8% of 780= 780 x 2.8/100 = 21.84
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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