A student is to answer 10 out of 13 questions in an examination such that the he must choose t least 4 from the first five questions. The number of choices available to him are (A) 346 (B) 140 (C) 196 (D) 280

A student is to answer 10 out of 13 questions in an examination such that he must choose at least 4 from the first five questions.The number of choices available to him is

A student has to answer 10 out of 13 questions in an examination.The number of ways in which he can answer if he must answer atleast 3 of the first five questions is 276 b.267 c.80 d.1200

A student is to answer 8 out of 10 questions in an examination.(i) How many choice has he? (ii) How many if he must answer the first three quesions? (iii) How many if he must answer at least four of the first five questions?

There are 6 multiple choice questions in an examination.How many sequences of answers are possible,if the first three questions have 4 choices each and the next three he 2 each?

There are six multiple - choice questions in an examination. Find the total number of ways of answering these questions, if the first three questions have 5 choices each and the next three have 4 choices each.

What least number must be subtracted form 518, so that the sum is completely divisible by 13? (A) 11 (B) 10 (C ) 9 (D) 12

In an examination there are three multiple choice questions and each question has 4 choices.The number of ways in which a student can fail to get all answers correct is (a) 11 (b) 27quad (c) 12 (d) 63