A letter in known to have come from either TATANAGAR or CALCUTTA. On the envelope just two consecutive letters TA are visible. What is the probability thet the letter has come from (i) Tatanagar (ii) Calcutta.

A letter is known to have come from TATANAGAR or from CALCUTTA. On the envelope, just two consecutive letter. TA are visible. What is the probability that the letter had cone from TATANAGAR?

A letter is known to have come from CHENNAI, JAIPUR, NAINITAL, DUBAI and MUMBAI. On the post mark only two consecutive letters AI are legible. Then, the probability that it is come from MUMBAI, is a. (42)/(319) b. (84)/(403) c. (39)/(331) d. (42)/(331)

The letters of the word ‘SOCIETY’ are placed at random in a row. What is the probability that the three vowels come together ?

A letter is chosen at random from the word ‘ASSASSINATION’. Find the probability that letter is (i) a vowel (ii) a consonant

There are 40 students in Class X of a school of whom 25 are girls and 15 are boys. The class teacher has to select one student as a class representative. She writes the name of each student on a separate card, the cards being identical. Then she puts cards in a bag and stirs them thoroughly. She then draws one card from the bag. What is the probability that the name written on the card is the name of (i) a girl? (ii) a boy?

Three bags contain balls as shown in the table below: A bag is chosen at random and two balls are drawn from it. They happen to be white and red. What is the probability that they come from the III bag?

Three bags contains a balls as shown in the following table: A bag is selected at random and two balls are drawn. They happen to the white and red. What is the probability that they come from the third bag.

if letters of the word MATHEMATICS are arranged then the probability that C come before E,E before H ,H before I and I before S