Practice Question and Answer
8Q: A group of 10 representatives is to be selected out of 12 seniors and 10 juniors. In how many different ways can the group be selected if it should have at least one senior ? 5976 05b5cc6eee4d2b4197774eed7
5b5cc6eee4d2b4197774eed7- 1²²C₁₀ + 1false
- 2²²C₉ + ¹⁰C₁false
- 3²²C₁₀false
- 4²²C₁₀ - 1true
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Answer : 4. "²²C₁₀ - 1"
Explanation :
Answer: D) ²²C₁₀ - 1 Explanation: The total number of ways of forming the group of ten representatives is ²²C₁₀. The total number of ways of forming the group that consists of no seniors is ¹⁰C₁₀ = 1 way The required number of ways = ²²C₁₀ - 1
Q: Find the missing number at the Question mark(?).
5, 7, 11, ?, 35, 67
5976 05e26ba494064eb35eef70ce4
5e26ba494064eb35eef70ce45, 7, 11, ?, 35, 67
- 123false
- 228false
- 330false
- 419true
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Answer : 4. "19"
Q: Which is the gas used for making vegetables and vanaspathi from vegetable oils? 5973 05b5cc6b1e4d2b4197774d346
5b5cc6b1e4d2b4197774d346- 1Hydrogentrue
- 2Nitrogenfalse
- 3Argonfalse
- 4Heliumfalse
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Answer : 1. "Hydrogen"
Explanation :
Answer: A) Hydrogen Explanation: Hydrogen gas is used for making vegetables and vanaspathi from vegetable oils. As it is colourless, odourless, tasteless, flammable gaseous substance, it is added to oils to make them more solid or spreadable. The use of hydrogenation helps to prolong the shelf life of the food and maintain flavour stability.
Q: Three seconds are related to which game? 5972 05cda7f77daf80a0820f0935a
5cda7f77daf80a0820f0935a- 1Wrestlingfalse
- 2BasketBalltrue
- 3Billiardsfalse
- 4None of thesefalse
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Answer : 2. "BasketBall"
Q: Identify the mirror image of the following figure when the mirror is placed to the right of figure.
5971 15d43b291ea329e61f31b2e3a
5d43b291ea329e61f31b2e3a- 1Afalse
- 2Bfalse
- 3Ctrue
- 4Dfalse
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Answer : 3. "C"
Q: Directions: In the questions, a part of the sentence is given in Underline. Below are given alternatives to the Underline part at (A), (B) and (C) which may improve the sentence. Choose the correct alternative. In case no improvement is needed your answer is (D).
The interesting tale had its beginning more than fifty years ago.
5971 05f4648d209e4377de93ed9a7
5f4648d209e4377de93ed9a7The interesting tale had its beginning more than fifty years ago.
- 1was startedfalse
- 2initiatedfalse
- 3begantrue
- 4No improvementfalse
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Answer : 3. "began "
Q: The Study of Ancient Societies is called 5970 05b5cc6b2e4d2b4197774d37e
5b5cc6b2e4d2b4197774d37e- 1Anthropologyfalse
- 2Archaeologytrue
- 3Historyfalse
- 4Ethnologyfalse
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Answer : 2. "Archaeology"
Explanation :
Answer: B) Archaeology Explanation: Archaeology is the science which studies ancient societies based on their material remains. Through the analysis of objects and those works constructed by ancient peoples, this science can arrive at conclusions about their culture and their ways of life. There are several branches of Archaeology as well as many tools relevant to this science.
Q: A, B, C, D, E, F and G are members of a family consisting of four adults and three children, two of whom, F and G are girls. A and D are brothers and A is a doctor. E is an engineer married to one of the brothers and has two children. B is married to D and G is their child. Who is C ? 5969 15bdbea5d4bfcd664dd390423
5bdbea5d4bfcd664dd390423- 1E's daughterfalse
- 2F's fatherfalse
- 3G's brotherfalse
- 4A's sontrue
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