Number System 384×12×2=? 6123 7487 9216 8465 6123 7487 9216 8465 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216
Number System In how many ways can 5 boys be chosen from 6 boys and 4 girls so as to include exactly one girl ? 60 58 56 54 60 58 56 54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP One girl can be chosen in 4C1 = 4 ways and 4 boys can be chosen in 6C4 = 15 ways ∴ Total number of ways = 4 x 15 = 60 ways.
Number System Complete the series : 1, 2, 3, 5, 8, 13 .... 9 7 4 1 9 7 4 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1
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 240 120 60 30 240 120 60 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The least number of trees that are required = LCM(4, 5, 6) = 60.
Number System The difference between 45% of a number and 18% of the same number is 145.8. What is 30% of that number ? 162 188 141 245 162 188 141 245 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.45% of x - 18% of x = 145.8∴ x/100 (45 - 18) = 145.8∴ x = 145.8 x 100/27 = 540∴ 30% of 540 = 540 x 30/100 = 162
Number System Find the least number with which 16200 should be multiplied, to make it a perfect cube. 45 36 48 360 45 36 48 360 ANSWER DOWNLOAD EXAMIANS APP
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