An examination paper has 3 sections, each with five questions and students are instructed to answer one question from each section. In how many different ways can the questions be answered?

Open in App

Solution

Given, the examination paper has 3 sections each with 5 questions.
If an operation can be performed in m ways, following which another operation can be performed in n ways , and both the operations are dependent on each other then, the
two operations can be performed in exactly (m × n ) different ways.
Required number of ways = 3 x 5 = 15 ways

Suggest Corrections

Similar questions

Q. In an examination, question paper consists of

15

questions with two sections

A

and

B

containing

6

and

9

questions respectively. In how many ways can a student attempt

8

questions, selecting at least

3

questions from each section ?

Q. An exam paper contains 3 sections with 5 questions each. A student attempts 5 questions with atleat one question from each section. In how many ways it is possible?

A question paper consists of three sections $A, B, C$ having $6, 4, 3$ questions respectively. A student has the freedom to answer any number of questions but at least one question from each section is compulsory. In how many ways can the paper be attempted by the student?

Q. A question paper consists of three sections A, B, C having 6,4,3 questions respectively. A student has the freedom to answer any number of questions but at least one question from each section is compulsory. In how many ways can the paper be attempted by the student?

Q. In an examination, the question paper consists of

10

questions which are equally divided into two sections

a

and

b

. A student has to attempt a total of six questions by attempting at least two from each section. In how many ways can the student select the questions?

Join BYJU'S Learning Program