1
CBSE 12th Math (Term 1) Paper 2021-22
MCQ (Single Correct Answer)
+1
-0
The system of linear equations

5x + ky = 5,

3x + 3y = 5; will be consistent if
A
k $$\ne$$ $$-$$3
B
k = $$-$$5
C
k = 5
D
k $$\ne$$ 5
2
CBSE 12th Math (Term 1) Paper 2021-22
MCQ (Single Correct Answer)
+1
-0
The equation of the tangent to the curve y (1 + x2) = 2 $$-$$ x, where it crosses the x-axis is
A
x $$-$$ 5y = 2
B
5x $$-$$ y = 2
C
x + 5y = 2
D
5x + y = 2
3
CBSE 12th Math (Term 1) Paper 2021-22
MCQ (Single Correct Answer)
+1
-0
If $$\left[ {\matrix{ {3c + 6} & {a - d} \cr {a + d} & {2 - 3b} \cr } } \right] = \left[ {\matrix{ {12} & 2 \cr { - 8} & { - 4} \cr } } \right]$$ are equal, then value of ab $-$$ cd is
A
4
B
16
C
$$-$$ 4
D
$$-$$ 16
4
CBSE 12th Math (Term 1) Paper 2021-22
MCQ (Single Correct Answer)
+1
-0
The principal value of $${\tan ^{ - 1}}\left( {\tan {{9\pi } \over 8}} \right)$$ is
A
$${\pi \over 8}$$
B
$${{3\pi } \over 8}$$
C
$$ - {\pi \over 8}$$
D
$$ - {{3\pi } \over 8}$$
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12