11th term of the series √3, √12, √27, √48, ... is
- AOption (a)
5√3
- BOption (b)
15√3
- COption (c)
11√3
- DOption (d)
6√3
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Correct answer
5√3
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Browse complete papers11th term of the series √3, √12, √27, √48, ... is
5√3
15√3
11√3
6√3
Correct answer
5√3
The angle of elevation of a ladder leaning against a wall is 60° and the foot of the ladder is 9m away from the wall. The length of the ladder is:
20 m
10 m
18 m
15 m
Correct answer
20 m
Electric bulbs are usually filled with chemically inactive ______ gases
Nitrogen and oxygen
Nitrogen and argon
Nitrogen and carbon monoxide
Nitrogen and carbon-dioxide
Correct answer
Nitrogen and oxygen
Find the point on the X-axis which is equidistant from the point (12, 5) and (3, -4)
(8, 0)
(6, 0)
(2, 0)
(4, 0)
Correct answer
(8, 0)
In a triangle ΔABC, AB = 35 cm, BC = 12 cm, and ∠B = 90° then length of AC will be
20 cm
15 cm
37 cm
25 cm
Correct answer
20 cm
In a circle of radius 5 cm, AB and AC are two chords such that AB = AC = 6 cm, the length of the chord BC is
10 cm
9 cm
8 cm
9.6 cm
Correct answer
10 cm
A force of 10 N acts on an object and the displacement is 7.5 m, in the direction of force. What is the work done in this case?
7500 J
750 J
75 J
0.75 J
Correct answer
7500 J
Which of the following has no unit
Pressure
Density
Distance
Relative Density
Correct answer
Pressure
Value of 33 - 4 × 7 × 60 ÷ 5 + 13 =
-540
290
350
-290
Correct answer
-540
Force =
mass × density
mass × volume
mass × velocity
mass × acceleration
Correct answer
mass × density