Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NDA2024MathematicsProbabilityActual

If the letters of the word "TIRUPATI" are written down at random, then what is the probability that both Ts are always consecutive?

Options

  1. A1 2
  2. B1 4
  3. C1 7
  4. D1 14

Correct answer

B. 1 4

Step-by-step solution

Required probability aligned P ( E ) & = n( E ) n( ~S ) = 2!7! 8! & = 2 1 7! 8 7! = 1 4 aligned

Practice Probability on Quantrex Academy →

More from Probability

Passage: Four dice are rolled. Question: What is the probability that getting a total of the numbers on the dice is 6 ? 2026Three events A , B and C are such that A and B are disjoint, A and C are independent, B and C are independent. If 4P(A)=2P(B)=P(C) and P(A B C)=5P(A) , then what is the value of P( 2026Passage: Let A , B , C and D be mutually exclusive and exhaustive events and P(A) 2 = P(B) 3 = P(C) 5 = P(D) 8 . Question: What is [2P(A)+3P(B)] [4P(C)+5P(D)] equal to ? 2026Passage: Four dice are rolled. Question: What is the probability that getting a total of the numbers on the dice is at least 23 ? 2026For a Binomial distribution with mean 6 and standard deviation 2 , what is the value of P(X=0) ? 2026Passage: A 4-digit number is selected at random formed by using the digits 0 , 1 , 2 , 3 and 4 (where repetition of digits is not allowed). Question: What is the probability that t 2026In an entrance test there are multiple choice questions. There are four options for each question, of which only one is correct. The probability that a student knows the answer to 2026Passage: Let A , B , C and D be mutually exclusive and exhaustive events and P(A) 2 = P(B) 3 = P(C) 5 = P(D) 8 . Question: If G is the geometric mean of P(A) , P(B) , P(C) and P(D) 2026 Full Probability list All NDA PYQs