Number System Two numbers are in the ratio 3:5. If 9 be subtracted from each, they are in the ratio of 9:17. The first number is: 30 18 27 36 30 18 27 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (3x-9):(5x-9) = 9:17 x = 12 => 3x = 36
Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 343 373 353 363 343 373 353 363 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
Number System If one-seventh of a number is 55 then 40% of that number = ? 171 154 147 163 171 154 147 163 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x , Therefore, x/7 = 55Therefore, x = 55 x 7 = 385Therefore, 49% of 385 = 154
Number System Find the least value of 3x + 4y if x2y3 = 6. 6 3 10 7 6 3 10 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
Number System 3251 + 587 + 369 - ? = 3007 1200 1250 1375 1300 1200 1250 1375 1300 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200
Number System What is the difference between the local value of 7 and 5 in the number 2574? 430 570 403 413 430 570 403 413 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 500 – 70 = 430
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