Class 11th maths notes
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The minimum value of 3 cos x + 4 sin x + 5 is:
Anonymous Quiz
41%
0
32%
1
18%
5
9%
9
πŸ”₯1
If tan A = 1/2 and tan B = 1/3, then tan(A + B) is:
Anonymous Quiz
27%
1
49%
5/6
14%
6/5
10%
1/6
❀4
The expression (sin 3x + sin x) / (cos 3x + cos x) is equal to:
Anonymous Quiz
39%
tan x
40%
tan 2x
16%
cot x
5%
cot 2x
πŸ”₯2
In which quadrant does the angle -11Ο€/3 lie?
Anonymous Quiz
30%
First
35%
Second
25%
Third
10%
Fourth
πŸ”₯2
The value of cos 52Β° + cos 68Β° + cos 172Β° is:
Anonymous Quiz
39%
0
37%
1
20%
-1
4%
2
πŸ‘7
A wheel makes 360 revolutions in one minute. Through how many radians does it turn in one second?
Anonymous Quiz
35%
12Ο€
41%
2Ο€
18%
6Ο€
5%
10Ο€
❀2πŸ‘2
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Statistics.pdf
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Statistics Notes with practice questions

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Q3/10: If A = {1, 2, 3} and B = {2, 3, 4}, what is A union B?
Anonymous Quiz
65%
{1, 2, 3, 4}
21%
{2, 3}
10%
{1, 4}
3%
An empty set
❀1
Q4/10: If a set A has 4 elements, how many elements will its power set P(A) have?
Anonymous Quiz
25%
4
16%
8
52%
16
6%
32
Q5/10: The Cartesian product A x B of two non-empty sets A and B is empty only if?
Anonymous Quiz
9%
Set A is empty
8%
Set B is empty
64%
Both sets A and B are empty
19%
It is never empty
Q6/10: If A x B = {(a, x), (a, y), (b, x), (b, y)}, what is set A?
Anonymous Quiz
4%
{x, y}
8%
{a, x}
11%
{b, y}
75%
{a, b}
Q8/10: What is the domain of the relation R = {(1, 2), (3, 4), (5, 6)}?
Anonymous Quiz
15%
{2, 4, 6}
15%
{1, 2, 3}
42%
{1, 3, 5}
26%
{1, 2, 3, 4, 5, 6}
Q9/10: Which of the following relations from A = {1, 2, 3} to B = {4, 5} is a function?
Anonymous Quiz
8%
{(1, 4), (1, 5), (2, 4)}
23%
{(1, 4), (2, 5)}
33%
{(1, 4), (2, 4), (3, 5)}
33%
{(1, 5), (2, 4), (2, 5), (3, 4)}