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Browse complete papersIf 20% of P = 30% of Q = 1/6 of R, then P ∶ Q: R is
2 ∶ 3 ∶ 16
3 ∶ 2 ∶ 16
10 ∶ 15 ∶ 18
15 ∶ 10 ∶ 18
Correct answer
2 ∶ 3 ∶ 16
Average marks of 5 students in a subject are 68. By how much will the average be increased, if marks of one student wrongly taken as 65 instead of 80?
4
1
3
2
Correct answer
4
The area of a trapezium shaped field is 480 m2, the height is 15 m and one of the parallel side is 20 m. Find the other parallel side.
44 m
20 m
84 m
150 m
Correct answer
44 m
The sum of the radius of base and height of a solid right circular cylinder is 37 cm. If the total surface area of the solid cylinder is 1628 cm2, the volume of cylinder (in cm3) is:
3680
4620
6420
5640
Correct answer
3680
If \(\rm\left(\frac{3}{5}\right)^{3p-2}=\left(\frac{9}{25}\right)^8\times\left(\frac{3}{5}\right)^{-3} \), then the value of 2p + 1 is:
10
11
14
15
Correct answer
10
If a positive integer leaves remainder 28 when divided by 143, then what is the remainder obtained on dividing the same number by 13?
0
2
9
10
Correct answer
0
The slant height of a frustum of cone is 10 cm. If the height of the frustum is 8 cm, then find the difference of the radii of its two circular ends?
7 cm
9 cm
6 cm
4 cm
Correct answer
7 cm
A is 25% more efficient than B and C is 40% less efficient than A. B alone can complete a certain work in 25 days. B and C work together for 5 days. A alone can complete the remaining work in:
10 days
13 days
7 days
9 days
Correct answer
10 days
What should come in place of the question mark (?) in the following question?
2 - [6 - {3 + (-4 + 5 + 1) × 8} + 12 ] = ?
4
3
2
1
Correct answer
4
A and B working separately can complete a piece of work in 10 and 16 days, respectively. If they work for a day alternately, with A beginning the work, in how many day(s) will the work be completed?
\(10{{1} \over 4}\)
\(12{{1} \over 4}\)
\(1{{1} \over 4}\)
\({{1} \over 4}\)
Correct answer
\(10{{1} \over 4}\)