NEST2021MathematicsPermutation and Combination
Three different numbers are chosen at random from 1,2,3,4,5 and arranged in increasing order . The probability that the resulting sequence is in arithmetic progression is
Options
- A3 7
- B3 10
- C2 7
- D2 5
Correct answer
D. 2 5
Step-by-step solution
No solution available.