Number System Complete the series : 1, 2, 3, 5, 8, 13 .... 1 7 9 4 1 7 9 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1
Number System In how many different ways can the letters of the word FORMULATE be arranged ? 392880 382880 372880 362880 392880 382880 372880 362880 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of letters = 9! = 9*8*7*6*5*4*3*2*1 = 362880
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? 33 14 17 21 33 14 17 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 12
Number System The average of five consecutive even numbers, p, q, r, s and t is 40. What is the product of 'r' and 's' ? 1780 1580 1680 1480 1780 1580 1680 1480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x, x + 2, x + 4, x + 6, and x + 8Avg = x + x + 2 + x + 4 + x + 6 + x + 8/5 = 40Therefore, 5x + 20 = 200Therefore, x = 180/5 = 36Therefore, r = x + 4 = 40 s = x + 6 = 42Therefore, Product = 1680
Number System What is the value of 8/11 of 5/7 of 96% of 28875 ? 15400 13800 14400 12900 15400 13800 14400 12900 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = 8 x 5 x 96 x 28875/11 x 7 x 100 = 14400
Number System What is the value of ? in the following equations ? 72/? = ?/50 80 60 100 40 80 60 100 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
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