Number System In how many different ways can the letters of word "COLLEGE" be arranged ? 1300 1240 1260 1280 1300 1240 1260 1280 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 7!/2!2! = 1260(∵ L and E come twice)
Number System Write the next number in the series : 14, 16, 13, 17, 12, 18, 11 .... 1 15 7 19 1 15 7 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 19
Number System Find the average of the following set of scores 450, 1050, 12, 390, 143, 286, 550, 999 490 480 485 495 490 480 485 495 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required average score = (450 + 1050 + 12 + 390 + 143 + 286 + 550 + 999) / 8 = 3880 / 8 = 485
Number System What is the value of ? in the following equations ? 72/? = ?/50 60 80 100 40 60 80 100 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 72 x 50= (6 x 6 x 2) x (5 x 5 x 2)= (6 x 5 x 2)² = (60)²∴ ? = 60
Number System The square root of 0.0081 is: 0.9 0.09 0.91 0.009 0.9 0.09 0.91 0.009 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.09
Number System A shopkeeper purchased 200 bulbs for Rs. 10 each. However, 5 bulbs were fused and had to be thrown away. The remaining were sold at Rs. 12 each. What will be percentage profit? 14 17 21 33 14 17 21 33 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 12
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