Practice Question and Answer
8Q: A milkman has 20 liters of milk. If he mixes 5 liters of water, which is freely available, in 20 liters of pure milk. If the cost of pure milk is Rs. 18 per litre, then the profit of the milkman, when he sells all the mixture at cost price, is: 6425 65b5cc7d7e4d2b4197775151f
5b5cc7d7e4d2b4197775151f- 120%false
- 225%true
- 333.33%false
- 418%false
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Answer : 2. "25%"
Explanation :
Answer: B) 25% Explanation: When the water is freely available and all the water is sold at the price of the milk, then the water gives the profit on the cost of 20 litres of milk. Since, the profit % = ProfitCostPricex100 Therefore, profit percentage = 520x100 = 25%
Q: “Vijayi vishw Tiranga Pyara” slogan was given by whom?
6424 05ee0c4f70cb2490dae76f221
5ee0c4f70cb2490dae76f221- 1Dayanand Saraswatifalse
- 2Ravindranath Tagorefalse
- 3Mangal Pandeyfalse
- 4Shyamlal Gupta “Parshad”true
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Answer : 4. "Shyamlal Gupta “Parshad”"
Q: The symbols used in an assembly language are called ? 6424 05b5cc6c7e4d2b4197774deaa
5b5cc6c7e4d2b4197774deaa- 1Assemblerfalse
- 2Mnemonicstrue
- 3Codesfalse
- 4All of the abovefalse
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Answer : 2. "Mnemonics"
Explanation :
Answer: B) Mnemonics Explanation:
Q: Who among the following has written the book Outline Psychology?
6421 560eed41e2f193905873ee5c9
60eed41e2f193905873ee5c9- 1McDougalltrue
- 2guilfordfalse
- 3crow and crowfalse
- 4Watsonfalse
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Answer : 1. "McDougall"
Q: Today is Tuesday. What day will it be 62 days from today?
6420 05e143259da9169128ed03d5a
5e143259da9169128ed03d5a- 1Wednesdayfalse
- 2Tuesdayfalse
- 3Mondaytrue
- 4Sundayfalse
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Answer : 3. "Monday"
Q: What is the number of digits in 333? Given that log3 = 0.47712? 6409 05b5cc7d0e4d2b41977751209
5b5cc7d0e4d2b41977751209- 112false
- 213true
- 314false
- 415false
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Answer : 2. "13"
Explanation :
Answer: B) 13 Explanation: Let Let x=333 = 333 Then, logx = 33 log3 = 27 x 0.47712 = 12.88224 Since the characteristic in the resultant value of log x is 12 ∴The number of digits in x is (12 + 1) = 13 Hence the required number of digits in 333is 13.
Q:In these questions read each sentence to find out whether there is any error in it. If there is no error, the answer is (D).
The examination begins (A)/ from Monday (B)/ next week. (C)/ No error (D)
6408 06017e6ce556c0d14e2f3a338
6017e6ce556c0d14e2f3a338- 1Afalse
- 2Btrue
- 3Cfalse
- 4Dfalse
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Answer : 2. "B"
Q: How many liters of oil at Rs.40 per liter should be mixed with 240 liters of a second variety of oil at Rs.60 per liter so as to get a maximum whose cost is Rs.52 per liter ? 6401 05b5cc7abe4d2b4197775074c
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Answer :
Explanation :
Apply Allegation Method and first calculate the ratio in which they have to be mixed. = 8 : 12 = 2 : 3 Thus, the two varieties of oil should be mixed in the ratio 2 : 3. So, if 240 liters of the second variety are taken, then 160 liters of the first variety should be taken.

