IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: What does the legislative branch do? 1210 05b5cc61ee4d2b4197774b792
5b5cc61ee4d2b4197774b792- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर :
व्याख्या :
In federal and state government, the legislative branch's primary function is to make laws.
प्र: Who won the world’s largest pre-college science competition in the US in the environmental engineering category for his project on biodegradation of pesticides ? 1210 05b5cc6dce4d2b4197774e9b0
5b5cc6dce4d2b4197774e9b0- 1Shanmuga Sundaramfalse
- 2Prashant Ranganathantrue
- 3Suresh Kumarfalse
- 4Vijay Ragunathanfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 2. "Prashant Ranganathan"
व्याख्या :
Answer: B) Prashant Ranganathan Explanation: An Indian boy has won the world’s largest pre-college science competition in the US in the environmental engineering category for his project on biodegradation of pesticides. Prashant Ranganathan, a 12th grader from Jamshedpur, alongwith over 20 high school students from various parts of India, participated in the Intel International Science and Engineering Fair.
प्र: 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 ? 1209 05b5cc6c4e4d2b4197774dcfb
5b5cc6c4e4d2b4197774dcfb- 1Rs. 8,640false
- 2Rs. 9,850false
- 3Rs. 10,000true
- 4Rs. 11,220false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
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: Long Sightedness means 1209 05b5cc60ae4d2b4197774b59b
5b5cc60ae4d2b4197774b59b- 1near images are blurrytrue
- 2far images are blurryfalse
- 3Both A & Bfalse
- 4None of the abovefalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "near images are blurry"
व्याख्या :
Answer: A) near images are blurry Explanation: Long sightedness is a common vision condition in which nearby objects are blurry. In this situation, the person with this condition of the eye where the curvature of the cornea is flat or the axial length of the eyeball is short. When light enters the eye, it does not focus directly on the retina, but focuses beyond the retina. This causes near images to appear out of focus and blurred. Long sightedness is also called hyperopia, and sometimes presbyopia.
प्र: When was Barb Wire patented 1208 05b5cc6bae4d2b4197774d7b7
5b5cc6bae4d2b4197774d7b7- 11898false
- 21868false
- 31874true
- 41866false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 3. "1874"
व्याख्या :
Answer: C) 1874 Explanation: Joseph F. Glidden - Father of Barbed Wire. Glidden was born in New York in 1812. He invented Barbed Wire in 1873 and was granted the patent on Nov. 24, 1874. After a three year battle over the patent, which he eventually won received a patent for the modern invention in 1874 after he made his own modifications to previous versions.
प्र: An automobile financier claims to be lending money at S.I., but he includes the interest every six months for calculating the principal. If he is charging an interest of 8%, the effective rate of interest becomes ? 1207 05b5cc6dce4d2b4197774e96a
5b5cc6dce4d2b4197774e96a- 110.25 %false
- 28.16 %true
- 39.63 %false
- 40.16 %false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 2. "8.16 %"
व्याख्या :
Answer: B) 8.16 % Explanation: Let the sum be Rs. 100. Then,S.I. for first 6 months = (100 x 8 x 1) / (100 x 2) = Rs. 4S.I. for last 6 months = (104 x 8 x 1) / (100 x 2) = Rs. 4.16So, amount at the end of 1 year = (100 + 4 + 4.16) = Rs. 108.16Effective rate = (108.16 - 100) = 8.16%.
प्र: The compound interest on Rs. 8000 for 3 year at 10% p.a. is 1204 05b5cc6b9e4d2b4197774d6df
5b5cc6b9e4d2b4197774d6df- 12648true
- 22145false
- 32587false
- 42784false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "2648"
व्याख्या :
Answer: A) 2648 Explanation: 8000 × 33.1% = 2648
प्र: In how many ways can the letters of the word 'LEADER' be arranged ? 1202 05b5cc71ee4d2b4197774f58b
5b5cc71ee4d2b4197774f58b- 1360true
- 2420false
- 3576false
- 4220false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "360"
व्याख्या :
Answer: A) 360 Explanation: No. of letters in the word = 6No. of 'E' repeated = 2Total No. of arrangement = 6!/2! = 360

