Submit Solution

Your email address will not be published. Required fields are marked *

More Questions on This Topic :

Question 1. The number of straight lines joining 8 points on a circle is

 
  1.    8
  2.    16
  3.    24
  4.    28
Answer: Option D
: D

The number of straight lines is 8C2 = 28

Question 2. The number of ways of arranging 6 players to throw the hand ball so that the oldest player may not throw first is

 
  1.    720
  2.    600
  3.    120
  4.    480
Answer: Option B
: B

The number of ways in which this can be done = 6! – 5! = 600

Question 3. 15 busses fly between Hyderabad and Tirupathi.The number of ways can a man go to tirupathi from Hyderabad by a bus and return by a different bus is
  1.    15
  2.    150
  3.    210
  4.    225
Answer: Option C
: C

The number of ways in which a man travel from Hyderabad to Triupati is 15 and back to Hyderabad is 14 and hence the total number of ways =15 × 14 = 210

Question 4. The number of diagonals in an octagon will be
  1.    28
  2.    20
  3.    10
  4.    16
Answer: Option B
: B

Number of diagonals in an Octagon = 8C28 = 20

Question 5. The number of ways that a volley ball 6 can be selected out of 10 players so that 2 particular players are excluded is 
  1.    56
  2.    55
  3.    27
  4.    28
Answer: Option D
: D

The number of ways selecting 6 out of 10 so that 2 particular players are always excluded is 102C6