The number of sequences in which 7 players can throw a ball, so that the youngest player may not be the last is -.

Related Mcqs:

1. The present average age of a family of five members is 26 years. If the present age of the youngest member in the family is ten years, then what was the average age of the family at the time of the birth of the youngest member ? (Assume no death occurred in the family since the birth of the youngest).

   A. 18 years
   B. 14 years
   C. 20 years
   D. 16 years

2. A question paper had 10 questions. Each question could only be answered as true(T) of False(F). Each candidate answered all the questions, Yet no two candidates wrote the answers in an identical sequence. How many different sequences of answers are possible?

   A. 20
   B. 40
   C. 512
   D. 1024

3. The spherical ball of lead 3 cm in diameter is melted and recast into 3 spherical balls. The diameters of two of these are 1 ½ cm and 2 cm respectively. The diameter of third ball is?

   A. 2.66 cm
   B. 2.5 cm
   C. 3 cm
   D. 3.5 cm

4. In how many different ways can six players be arranged in a line such that two of them, Asim and Raheem are never together?

   A. 120
   B. 240
   C. 360
   D. 480

5. 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 of the team?

   A. 23 years
   B. 24 years
   C. 25 years
   D. None of these

6. The average age of three boys is 15 years and their ages are in proportion 3:5:7. What is the age in years of the youngest boy?

   A. 15
   B. 9
   C. 18
   D. 21

7. There are two identical red, two identical black, and two identical white balls.In how many different ways can the balls be placed in the cells (Each cell to contain one ball) shown above such that balls of the same colour do not occupy any two consecutive cells?

   A. 15
   B. 18
   C. 24
   D. 30

8. 2 men and 1 woman board a bus of which 5 seats are vacant, one of these 5 seats is reserved for ladies. A woman may or may not sit on the seat reserved for ladies, In how many different ways can the five seats be occupied by these passengers?

   A. 15
   B. 36
   C. 48
   D. 60

9. If a solid sphere of radius 10 cms is moulded into 8 spherical solid balls of equal radius, then surface area of each ball (in cm²) is________?

   A. 100π
   B. 7π
   C. 60π
   D. 50π

10. On selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is:________?

    A. Rs. 45
    B. Rs. 50
    C. Rs. 55
    D. Rs. 60