P(A ∩ B) is equal to?
Anonymous Quiz
27%
a. P(A) . P(B|A)
28%
b. P(B) . P(A|B)
40%
c. Both A and B
6%
d. None of these
🏆11🥰7🤗2🤩1
If P(A) = 0.4, P(B) = 0.7 and P(B/A) = 0.6. Find P(A ∪ B) ?
Anonymous Quiz
18%
a. 0.46
46%
b.0.86
25%
c.0.76
11%
d.0.54
🏆12🥰2💯1🤗1
A horse-shoe magnet is an example of ________.
Anonymous Quiz
30%
a.Natural magnet
59%
b.Artificial magnet
10%
c.Neither natural nor artificial
2%
d.None of these options
⚡7❤4🥰3🤗1
A freely suspended magnet aligns in which direction?
Anonymous Quiz
23%
a.North-west
11%
b.East-west
9%
c.South-west
57%
d.North-south
🏆8👍5❤2
What is the SI unit of viscosity?
Anonymous Quiz
28%
Poiseiulle
34%
Newton/m
25%
Candela
13%
No units
👍8❤5😱2💯2🤗2
Which of these fluids has the highest viscosity?
Anonymous Quiz
25%
Water
56%
Honey
12%
Blood
7%
Air
❤7👍4🏆3
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❤6🥰6👍2
The area bounded by the curves y2 = 4x and y = x is equal to
Anonymous Quiz
20%
1/3
42%
8/3
24%
35/6
14%
None of these
🥰9🤗3👍1
P(A ∩ B) = 70% and P(B) = 85%, then P(A/B) is equal to:
Anonymous Quiz
16%
17/14
64%
14/17
17%
⅞
3%
⅛
🥰7👍3
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👍10❤6🔥2
If A is a square matrix such that A2 = A, then (I – A)3 + A is equal to?
Anonymous Quiz
16%
0
35%
I
38%
I – A
11%
I + A
👍7❤4🤩1
If there is an error of 2% in measuring the length of a simple pendulum, then percentage error in its period is?
Anonymous Quiz
16%
3%
47%
4%
29%
1%
8%
6%
❤8👍3🔥2🏆2😱1
In a p-type semiconductor, the current conduction is due to?
Anonymous Quiz
66%
Holes
9%
Atoms
21%
Electrons
4%
Protons
❤20👍2🤩1