Number System 17580 x 1.8 - 13720 x 2.1 = ? x 2.4 1160 1140 1120 1180 1160 1140 1120 1180 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180
Number System If (47)² is added to the square of a number the answer thus obtained is 2290. What is the number ? 10 7 9 8 10 7 9 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, x² + (47)² = 2290Therefore, x² = 2290 - 2209 = 81Therefore, x = 9
Number System The difference between 72% of a number and 49% of the same number is 575. What is 9% of that number ? 245 225 275 295 245 225 275 295 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x.Therefore, 72% of x - 49% of x = 575Therefore, (72 - 49)% of x = 575Therefore, 9% of x = 575/23 x 9 = 225
Number System By how much is 3/5th of 875 greater than 2/3 of 333? 199 233 362 303 199 233 362 303 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/5th of 875 is greater than 2/3rd of 333= 3/5 * 875 - 2/3 * 333= 525 - 222 = 303.
Number System What number should replace both the question marks (?) in the following question ? 84 85 82 83 84 85 82 83 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System A gardener wants to plant trees in his garden in such a way that the number of trees in each row should be the same. If there are 4 rows or 5 rows or 6 rows, then no tree will be left. Find the least 120 30 240 60 120 30 240 60 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The least number of trees that are required = LCM(4, 5, 6) = 60.
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