Day 58: CBSE Class 12 Maths

1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

Tap an option to check your answer.

1. A.
   0
2. B.
   1
3. C.
   7
4. D.
   $\pm 7$

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1. A.
   f is one-one but not onto on R
2. B.
   f is onto on R but not one-one
3. C.
   f is one-one and onto on R
4. D.
   f is neither one-one nor onto on R

Tap an option to check your answer.

1. A.
   $\frac{\pi}{6}$
2. B.
   $\frac{\pi}{4}$
3. C.
   $\frac{\pi}{3}$
4. D.
   $\frac{\pi}{2}$

Tap an option to check your answer.