Home
Class 12
MATHS
There are 20 cards , 10 of these cards h...

There are 20 cards , 10 of these cards have the letter 'I' printed on them and the other 10 have the letter 'T' printed on them. If three cards are picked up at random and kept in the same order, the probability of making word IIT is

A

`(9)/(80)`

B

`1/8`

C

`(4)/(27)`

D

`(5)/(38)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    ML KHANNA|Exercise Problem Set (1) TRUE AND FALSE|11 Videos
  • PROBABILITY

    ML KHANNA|Exercise Problem Set (1) FILL IN THE BLANKS|17 Videos
  • PERMUTATIONS AND COMBINATIONS

    ML KHANNA|Exercise SELF ASSESSMENT TEST|20 Videos
  • PROGRESSIONS

    ML KHANNA|Exercise MISCELLANEOUS EXERCISE (ASSERTION/REASON) |1 Videos

Similar Questions

Explore conceptually related problems

There are 20 cards.Ten of these cards have the letter I printed on them and the other 10 have the letter T printed on them.If three cards picked up at random and kept in the same order,the probability of making word IIT is

If there are 15 cards of these 10 have the letter "I" printed 5 have the letter "T" printed. If 4 cards are picked at random one after the another and kept in the same order, the probability of making the word "IIIT" is (A) (10)/(91) (B) (15)/(91) (C) (20)/(91) (D) (25)/(91)

There are 10 cards in a bag. On 5 of them 'N' is printed and on the other 5 'C' is printed. 3 cards are drawn, one after an other without replacementand kept in that order. The probability that the word formed with the letters is NCC is

The letters o f the word FATHER are written on separate cards, two cards are drawn at random. Probability that both are vowels is

There are two coupons each with a word written on them. On one of them the word PATNA is written and on the other PLATE. A coupon is taken at random and 3 letters are selected at random from the letters of the word on the coupon. The probability that the selection contains two vowels, is ________.

How many pairs of letters are there in the word NECESSARY which have as many letters between, them in the word as there are between them in the alphabet and in the same order? 1) One 2) Two 3) Three 4) Nil 5) Four

Five cards- the tan, jack, queen, king and ace of diamonds are well shuffled with their faces downwards. One card is then picked up at random. (a) What is the probability that the drawn card is the queen? (b) If the queen is drawn and put aside and a second card is drawn, find the probability that the second card is (i) an ace, (ii) queen .

Five cards- the ten, jack, queen, king and ace of diamonds, are well shuffled with their faces downwards. One card is then picked up at random. (a) What is the probability that the drawn card is the queen? (b) If the queen is drawn and put aside and a second card is drawn, find the probability that the second card is (i) an ace (ii) a queen.