6. The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team?

7. Three different containers contain different quantities of mixture of milk and water whose measurements are 403 kg, 434 kg and 465 kg. What biggest measure must be there to measure all the different quantities exactly?

8. P and Q invested in a business. The profit earned was divided into the ratio 2:3. If P has invested 40000 then what is Q’s investment?

9. A simple mechanical device has four gears A, B, C and D such that they mesh in the order A-B-C-D. The number of teeth in these gear is 10, 21, 12, 17 respectively. If we start the mechanism from rest, how many revolutions will the largest gear have to turn before one full cycle is completed and the gears are in the position from where they started?

10. The L.C.M. of two numbers is 14560 and their H.C.F. is 13. If one of them is 416, the other is.