IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: A, B and C started a business where their initial capital was in the ratio of 2:3:4. At the end of 6 months, A invested an amount such that his total capital became equal to C's initial capital investment. If the annual profit of B is Rs. 3000 then what is the total profit ? 1020 05b5cc6c4e4d2b4197774dcfb
5b5cc6c4e4d2b4197774dcfb- 1Rs. 8,640false
- 2Rs. 9,850false
- 3Rs. 10,000true
- 4Rs. 11,220false
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उत्तर : 3. "Rs. 10,000"
व्याख्या :
Answer: C) Rs. 10,000 Explanation: Ratio of investments of A, B & C = 2×6+4×6 : 3×12 : 4×12 = 36 : 36 : 48 = 6 : 6 : 8 But given that the annual profit of B is Rs. 3000 => 6 ratio = 3000 Then for the total annual profit of partners is 20 ratio = 3000 x 20/6 = 10,000.
प्र: Which country is going to launch the world's first nuclear power plant (Sanmen Nuclear Power Station) that is immune to meltdown ? 1020 05b5cc6cae4d2b4197774e01a
5b5cc6cae4d2b4197774e01a- 1Indiafalse
- 2USAfalse
- 3Chinatrue
- 4Russiafalse
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उत्तर : 3. "China"
व्याख्या :
Answer: C) China Explanation:
प्र: 54, 60 LCM is 1020 05b5cc6bce4d2b4197774d891
5b5cc6bce4d2b4197774d891- 1600false
- 2540true
- 360false
- 454false
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उत्तर : 2. "540"
व्याख्या :
Answer: B) 540 Explanation: Here the LCM of 54, 60 is => 2 x 3 x 3 x 3 x 10 = 6 x 9 x 10 = 54 x 10 = 540.
प्र: Which city is hosting 2020 summer Olymic games? 1019 05b5cc688e4d2b4197774c2fa
5b5cc688e4d2b4197774c2fa- 1Athensfalse
- 2Tokyotrue
- 3Pyeongchangfalse
- 4Beijingfalse
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उत्तर : 2. "Tokyo"
व्याख्या :
Answer: B) Tokyo Explanation: 2020 summer Olymic games to be held in Tokyo, Japan.
प्र: What is the purpose of the mucus in your nose? 1018 05b5cc626e4d2b4197774b881
5b5cc626e4d2b4197774b881- 1Protects lungstrue
- 2Clear air passagefalse
- 3Protects nosefalse
- 4All of the abovefalse
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उत्तर : 1. "Protects lungs"
व्याख्या :
Answer: A) Protects lungs Explanation: When you breathe in air through your nose, it contains lots of tiny things, like dust, dirt, germs, and pollen. The air enters our body through the nose. However, before it enters the lungs, it must be heated and purified. Many dust particles that enter along with the air are removed in the nose by mucus and thus it protects lungs.
प्र: What happens during the bootstrap process? 1018 05b5cc65ee4d2b4197774be2b
5b5cc65ee4d2b4197774be2b- उत्तर देखें
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उत्तर :
व्याख्या :
A bootstrap is the process of starting up a computer. It also refers to the program that initializes the operating system (OS) during start-up. It referred to a bootstrap load button that was used to initiate a hardwired bootstrap program, or smaller program that executed a larger program such as the OS.
प्र: A simple interest earned on certain amount is triple the money when invested for 16 years.what is the interest rate offered ? 1017 05b5cc745e4d2b4197774fa13
5b5cc745e4d2b4197774fa13- 113.33 %false
- 214.25 %false
- 316.98 %false
- 418.75 %true
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उत्तर : 4. "18.75 %"
व्याख्या :
Answer: D) 18.75 % Explanation: Given,S.I = 3 Principal Amount=> 3A = A x 16 x R/100By solving, we get => R = 18.75%
प्र: What has 4 Eyes But cannot see? 1016 05b5cc6aee4d2b4197774d15d
5b5cc6aee4d2b4197774d15d- उत्तर देखें
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उत्तर :
व्याख्या :
What has 4 Eyes But cannot see is Mississippi. The wording of Mississippi has 4 'i''s. But it can't see.