Concept-wise Practice

constant-functions MCQ Questions for Class 11

constant-functions se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

2 questions tagged with constant-functions.

यदि \(A=\{1,2,3,4\}\) और \(B=\{x,y,z\}\) हों, तो (A) से (B) में स्थिर फलनों की संख्या कितनी होगी?

If \(A=\{1,2,3,4\}\) and \(B=\{x,y,z\}\), how many constant functions are there from (A) to (B)?

Explanation opens after your attempt
Correct Answer

A. (3)

Step 1

Concept

In a constant function all domain elements map to one chosen element of (B). Therefore the number of constant functions is (3).

Step 2

Why this answer is correct

The correct answer is A. (3). In a constant function all domain elements map to one chosen element of (B). Therefore the number of constant functions is (3).

Step 3

Exam Tip

स्थिर फलन में सभी प्रांत तत्व (B) के एक ही चुने हुए तत्व पर जाते हैं। इसलिए स्थिर फलनों की संख्या (3) है।

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यदि \(A=\{1,2,3\}\) और \(B=\{a,b,c,d\}\) हों, तो (A) से (B) में स्थिर फलनों की संख्या कितनी होगी?

If \(A=\{1,2,3\}\) and \(B=\{a,b,c,d\}\), how many constant functions are there from (A) to (B)?

Explanation opens after your attempt
Correct Answer

B. (4)

Step 1

Concept

In a constant function, all domain elements map to one chosen element of (B). Therefore the number of constant functions is (4).

Step 2

Why this answer is correct

The correct answer is B. (4). In a constant function, all domain elements map to one chosen element of (B). Therefore the number of constant functions is (4).

Step 3

Exam Tip

स्थिर फलन में सभी प्रांत तत्वों की छवि (B) के किसी एक तत्व पर जाती है। इसलिए स्थिर फलनों की संख्या (4) है।

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