Practice Question and Answer
8Q: Brand Name 'Ykk' is related to 1923 05b5cc7c4e4d2b41977750c37
5b5cc7c4e4d2b41977750c37- 1Carsfalse
- 2Cellular Phonesfalse
- 3Ziptrue
- 4Shoe polishfalse
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Answer : 3. "Zip"
Explanation :
Answer: C) Zip Explanation:
Q: Which has the lowest albedo? 1923 05b5cc61ee4d2b4197774b779
5b5cc61ee4d2b4197774b779- 1dark surfacestrue
- 2light surfacesfalse
- 3Both A & Bfalse
- 4None of the abovefalse
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Answer : 1. "dark surfaces"
Explanation :
Answer: A) dark surfaces Explanation: Albedo refers to a material's ability to reflect sunlight. Since 30% of the sun's energy is reflected by the entire earth, the earth has an average albedo of 0.30. Generally, dark surfaces have a low albedo and light surfaces have a high albedo.
Q: A letter lock consists of three rings each marked with six different letters. The number of distinct unsuccessful attempts to open the lock is at the most ? 1923 05b5cc6e1e4d2b4197774ebde
5b5cc6e1e4d2b4197774ebde- 1215true
- 2268false
- 3254false
- 4216false
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Answer : 1. "215"
Explanation :
Answer: A) 215 Explanation: Since each ring consists of six different letters, the total number of attempts possible with the three rings is = 6 x 6 x 6 = 216. Of these attempts, one of them is a successful attempt. Maximum number of unsuccessful attempts = 216 - 1 = 215.
Q: To prevent loss of weight plants reduce transpiration by 1923 05c34579b326d8256341ef730
5c34579b326d8256341ef730- 1shedding of leavesfalse
- 2reducing the size of leavesfalse
- 3developing hair around stomatafalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Q: Who of the following became the second teenager in the history of World Cup football to score a goal in the finals? 1923 05c35b510e5215c40a2fa49b8
5c35b510e5215c40a2fa49b8- 1Antoine Griezmanfalse
- 2Kylian Mbappetrue
- 3Paul Pogbafalse
- 4Raphael Varanefalse
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Answer : 2. "Kylian Mbappe"
Q: Kalyan purchased a Maruti van for Rs. 1,96,000 and the rate of depreciation is 14(2/7) % per annum. Find the value of the van after two years ? 1923 05b5cc701e4d2b4197774f170
5b5cc701e4d2b4197774f170- 1Rs. 1,24,000false
- 2Rs. 1,44,000true
- 3Rs. 1,32,000false
- 4Rs. 1,62,000false
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Answer : 2. "Rs. 1,44,000"
Explanation :
Answer: B) Rs. 1,44,000 Explanation: Value of Maruti Van, V1 = Rs. 1,96,000Rate of depreciation, r = 14(2/7)% = 100/7%; Time, t = 2 yearsLet V2 is the value after depreciation. V2 = V11 - r100tV2 = 196001 - 10071002 V2 = 196000(6/7)(6/7) V2 = (196000x36)/49 = Rs. 1,44,000.
Q: 1 + 2 + 3 + ............. + 49 + 50 + 49 + 48 + ........+ 3 + 2 + 1 is equal to -
1923 060f7d3cb3ca0726dff34f09b
60f7d3cb3ca0726dff34f09b- 12550false
- 22380false
- 32500true
- 42400false
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Answer : 3. "2500 "
Q: 20 men went to a restaurant. Ninteen of them paid Rs.70 each and the twentieth man paid Rs.90.25 more than the average of all the 20 men. What is the total bill ? 1923 05b5cc73ae4d2b4197774f8b5
5b5cc73ae4d2b4197774f8b5- 1Rs. 1495true
- 2Rs. 548false
- 3Rs. 850false
- 4Rs. 1750false
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Answer : 1. "Rs. 1495"
Explanation :
Answer: A) Rs. 1495 Explanation: Let the average bill paid by twenty members = 'x' But 19 men paid each = Rs. 70 20th man paid Rs. 90.25 more than the avg bill of 20 = x + 90.25 20x = 19(70) + x + 90.2519x = 1330 + 90.2519x = 1420.25x = 1420.25/19 = Rs. 74.75 But the total bill = 20 x 74.75 = Rs. 1495.