1. In how many different ways can the letters of the word INDIGO be arranged? (2)
1) 1680
2) 360
3) 2520
4) 840
5) 1260
2. 8 men can complete a piece of work in 12 days. 4 women can complete the same piece of work in 48 days and 10 children can complete that piece of work in 24 days. In how many days can 10 men, four women and 10 children together complete the work? (3)
1) 12 days
2) 15 days
3) 6 days
4) 8 days
5) None of these
3. If the digits of a two-digit number are interchanged, the number so obtained is greater than the original number by 27. If the sum of the two digits of the numbers is 11, what is the original number? (1)
1) 47
2) 38
3) 74
4) 83
5) None of these
4. A boat takes 8 hours to cover a distance while travelling upstream. Whereas while travelling downstream, it takes 6 hours. If the speed of the stream is 4 kmph, what is the speed of the boat is still water? (3)
1) 16 kmph
2) 18 kmph
3) 28 kmph
4) Can’t be determined
5) None of these
5. A, B, C and D are four consecutive even numbers and their average is 65. What is the product of A and D? (3)
1) 4092
2) 4352
3) 4216
4) 3968
5) None of these
