Practice Question and Answer
8Q: Tanks A and B are each in the shape of a right circular cylinder. The interior of tank A has a height of 10 meters and a circumference of 8 meters, and the interior of tank B has a height of 8 meters and a circumference of 10 meters. The capacity of tank A is what percent of the capacity of tank B ? 1810 05b5cc71ee4d2b4197774f568
5b5cc71ee4d2b4197774f568- 176%false
- 272%false
- 380%true
- 482%false
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Answer : 3. "80%"
Explanation :
Answer: C) 80% Explanation: circumference of A = 2πr = 8 => so r = 4πvolume = π×4π2×10 = 160πcircumference of B = 2πr = 10 => so r = 5πvolume = π×5π2×8 = 200πso ratio of capacities = 160/200 = 0.8 so capacity of A will be 80% of the capacity of B.
Q:Direction: In the question a sentence has been given in Active/Passive Voice. Out of the four alternatives suggested, select the one which best expressed the same sentence in Passive/Active Voice and mark your answer in the Answer Sheet.
Boil the water and cool it before you keep it in the fridge.
1810 05f34dfb06137a81348653096
5f34dfb06137a81348653096- 1Let the water be boiled and cooled before it is kept in the fridge.true
- 2Let the water be boiled and cooled before it is kept in the fridge by you.false
- 3Let the water be boiled by you and cooled by you before it is kept in the fridge.false
- 4Let the water be boiled, cooled and kept in the fridgefalse
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Answer : 1. "Let the water be boiled and cooled before it is kept in the fridge. "
Q: Direction: In these questions, a part of the sentence is given in bold. Below are given alternative to the bold part at (A), (B) and (C) which may improve the sentence. Choose the correct alternative. In case no improvement is needed you answer is (D).
When the owner offered tea, the poet denied it
1809 05d7b4ede328c71253aaa1892
5d7b4ede328c71253aaa1892- 1dislikedfalse
- 2declinedtrue
- 3disobeyedfalse
- 4No improvementfalse
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Answer : 2. "declined "
Q: Two parallel chords are drawn in a circle of diameter 30 cm. The length of one chord is 24 cm and the distance between the two chords is 21 cm. The length of the other chord is 30 cm
1809 05ddfc7eb4e9f8676753e6835
5ddfc7eb4e9f8676753e6835- 110 cmfalse
- 218 cmtrue
- 312 cmfalse
- 416 cmfalse
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Answer : 2. "18 cm "
Q: Mahabhasya was written by
1809 06389d73ac878936066e842e6
6389d73ac878936066e842e6- 1Gargifalse
- 2Manufalse
- 3Banafalse
- 4Patanjalitrue
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Answer : 4. "Patanjali"
Q:Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select No Improvement.
While crossing the road, a snake was seen.
1809 061277707dbe92e068b91f882
61277707dbe92e068b91f882- 1a snake was movingfalse
- 2he saw a snaketrue
- 3a snake was observedfalse
- 4No improvementfalse
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Answer : 2. "he saw a snake"
Q: Math Challenge 1809 05b5cc6d5e4d2b4197774e633
5b5cc6d5e4d2b4197774e633- 17false
- 244false
- 34true
- 433false
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Answer : 3. "4"
Explanation :
Answer: C) 4 Explanation: Let the required number be 'N' given that its quarter i.e; N/4 exceeds its double i.e, 2N by 7 => N/4 + 7 = 2N => N + 28 = 8N 7N = 28 N = 4.
Q: Which metal can be cut with a knife among sodium, lithium, calcium and nickel?
1809 061275c2293f02206607ea973
61275c2293f02206607ea973- 1Sodiumtrue
- 2Lithiumfalse
- 3calciumfalse
- 4allfalse
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Answer : 1. "Sodium"
Explanation :
Alkali metals (lithium, sodium, potassium) are so soft that they can be cut with a knife. The freshly cut surface is a shiny, silver colour, but this tarnishes quickly to a dull grey as the metal reacts with oxygen and water in the air.