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CBSE Class 12 / Mathematics / Demo Practice

Mathematics — 10 Normal Demo Questions

Testing content only: These are normal practice questions, not PYQs. Demo activity is kept separate from real performance analytics.
DEMO 1/10Easy

A relation from A to B is a subset of:

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DEMO 2/10Easy

A function must assign each element of its domain:

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DEMO 3/10Easy

A one-one function maps distinct inputs to:

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DEMO 4/10Easy

An onto function has range equal to the:

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DEMO 5/10Medium

A function that is both one-one and onto is called:

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DEMO 6/10Medium

If f(x)=x² on R, then f is:

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DEMO 7/10Medium

The identity function on a set A maps x to:

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DEMO 8/10Medium

The inverse of a function exists as a function when the original function is:

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DEMO 9/10Standard

If f(x)=2x+3, then f⁻¹(x)=:

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DEMO 10/10Standard

Composition (f∘g)(x) means:

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