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Browse complete papersA person has to return Rs. 3,540 for taking Rs. 3,000 for 3 years, Rs. 6,720 for taking Rs. 6,000 for 2 years and Rs. 6,500 for taking Rs. 5,000 for 5 years, then which type of interest he is being charged ?
Simple interest
Compound interest
Mixed interest
None of these
Correct answer
Simple interest
The value of x4 + 4 is equal to
(x2 + 2)2
(x2+ 2)(x2 - 2)
(x2 + 2 + 2x)(x2 + 2 - 2x)
None of the above
Correct answer
(x2 + 2)2
How many solutions the simultaneous equations has ?
2x + 5y = 17
5x + 3y = 14
Unique solution
Only two solutions
Infinite solutions
No solution
Correct answer
Unique solution
Speed of a stream is 2 km/hr. A man takes twice as long to row against the stream than along the stream. Then what is the speed of the man in still water?
6 km/hr.
4 km/hr.
10 km/hr.
8 km/hr.
Correct answer
6 km/hr.
A man crosses a standing train in 30 minutes and the same train, when that person is standing, crosses that man in 5 minutes. Then the ratio of speeds of that person and that train is
6:1
1 : 6
2:5
5:2
Correct answer
6:1
150 meter train passes a pole in 15 seconds and crosses another train of same length, travelling in opposite direction in 8 seconds. Then what is the speed of another train ?
99 km/hr.
72 km/hr.
66 km/hr.
60 km/hr.
Correct answer
99 km/hr.
The value of \(\sqrt[3]{0.064}+\sqrt{1.21}\) will be
1.26
1.274
1.5
2.7
Correct answer
1.26
If a : b = 3 : 4 and b : c = 5 : 6, then (a + b) : (b + c) =
5:8
35 : 44
5:6
7:11
Correct answer
5:8
How much subtracted from 25, 35, 45, 105 so that these numbers become proportionate ?
9
10
20
21
Correct answer
9
In the following figure, \(\angle 1 + \angle 2 - \angle 3 =\)
\(70^\circ\)
\(120^\circ\)
\(130^\circ\)
\(30^\circ\)
Correct answer
\(70^\circ\)