SuperCoaching AE/JE by Testbook
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If f(x) + f(1/x) = x + 1/x, then f(x) is:
Anonymous Quiz
27%
x
40%
1/x
28%
x^2
5%
x+1
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A body of mass 2kg has initial velocity 1m/s. A force acts for 2s, gives it velocity 2m/s. The work done is?
Anonymous Quiz
17%
3J
60%
4J
22%
2J
1%
5J
Which has the highest boiling point?
Anonymous Quiz
38%
1-butanol
30%
Butanal
22%
Butane
10%
Butanone
A disc rolls without slipping. Fraction of total energy that is rotational is:
Anonymous Quiz
17%
1/4
50%
1/3
23%
1/2
11%
2/3
1
A body covers 2m in the first 2s and 8m in next 4s. What is the average velocity?
Anonymous Quiz
15%
1 m/s
28%
3 m/s
50%
5/3 m/s
7%
8/3 m/s
A disc rolls without slipping. Fraction of total energy that is rotational is:
Anonymous Quiz
28%
1/2
38%
1/3
25%
2/3
9%
1/4
If f(x)+f(1/x)=f(x)f(1/x), f(4)=65, find f(5).
Anonymous Quiz
13%
26
54%
129
29%
130
4%
66
The value of lim (x->0) sin(x)/x is:
Anonymous Quiz
17%
0
45%
1
30%
8%
-1