IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: Which of the following animals was not native to India? 7824 05b5cc69ee4d2b4197774c9be
5b5cc69ee4d2b4197774c9be- 1Rhinocerosfalse
- 2Tigerfalse
- 3Horsetrue
- 4Elephantfalse
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उत्तर : 3. "Horse"
व्याख्या :
Answer: C) Horse Explanation:
प्र: Complete the number series given below ? 13 19 37 ? 141 243 7823 05b5cc6cae4d2b4197774dfca
5b5cc6cae4d2b4197774dfca- 158false
- 267false
- 375true
- 496false
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उत्तर : 3. "75"
व्याख्या :
Answer: C) 75 Explanation: The given series follows the pattern that So the missing number is 37 + 38 = 75 75 + 66 = 141 ....
प्र: What is the new name of Abyssinia? 7794 05b5cc651e4d2b4197774bcd5
5b5cc651e4d2b4197774bcd5- 1Namibiafalse
- 2Zimbabwefalse
- 3Thailandfalse
- 4Ethiopiatrue
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उत्तर : 4. "Ethiopia"
व्याख्या :
Answer: D) Ethiopia Explanation: Ethiopia is the new name of a country which is historically called as Abyssinia. New name - Old name Namibia - South West Africa Zimbabwe - Southern Rhodesia Thailand - Siam.
प्र: Which of these was a political goal for farmers? 7758 05b5cc62ce4d2b4197774b938
5b5cc62ce4d2b4197774b938- 1lower prices for grain storagetrue
- 2higher prices for machineryfalse
- 3lower prices for foreign goodsfalse
- 4higher prices for shippingfalse
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उत्तर : 1. "lower prices for grain storage"
व्याख्या :
Answer: A) lower prices for grain storage Explanation:
प्र: In which atmospheric layer are the communication satellites located? 7695 05b5cc642e4d2b4197774bb6d
5b5cc642e4d2b4197774bb6d- 1Thermospheretrue
- 2Tropospherefalse
- 3Mesospherefalse
- 4Stratospherefalse
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उत्तर : 1. "Thermosphere"
व्याख्या :
Answer: A) Thermosphere Explanation: In terms of the Earth's atmosphere, they occupy regions called the thermosphere and the exosphere. The layer through which a satellite orbits depends on the satellite's function and the kind of orbit it has. The thermosphere is a region of very high temperature that extends from the top of the mesosphere at around 85 kilometers (53 miles) up to 640 kilometers (400 miles) above the Earth's surface. It is called the thermosphere because temperatures can reach up to 1,500 degrees Celsius (2,732 degrees Fahrenheit). However, despite the high temperatures, the pressure is very low, so satellites don't suffer heat damage.
प्र: वाहनों में रियर व्यू मिरर के रूप में किस दर्पण का उपयोग किया जाता है?
7659 05b5cc62ce4d2b4197774b912
5b5cc62ce4d2b4197774b912- 1Concavefalse
- 2Planefalse
- 3Convextrue
- 4Any of the abovefalse
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उत्तर : 3. "Convex"
व्याख्या :
Answer: C) Convex Explanation: Convex mirror is used as rear view mirror in vehicles. Because the image is smaller, more image can fit onto the mirror, so a convex mirror provides for a larger field of view than a plane mirror. This is why they are useful.
प्र: In a purse there are 30 coins, twenty one-rupee and remaining 50-paise coins. Eleven coins are picked simultaneously at random and are placed in a box. If a coin is now picked from the box, find the probability of it being a rupee coin? 7592 05b5cc60de4d2b4197774b618
5b5cc60de4d2b4197774b618- 14/7false
- 22/3true
- 31/2false
- 45/6false
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उत्तर : 2. "2/3"
व्याख्या :
Answer: B) 2/3 Explanation: Total coins 30 In that, 1 rupee coins 20 50 paise coins 10Probability of total 1 rupee coins = 20C11 Probability that 11 coins are picked = 30C11 Required probability of a coin now picked from the box is 1 rupee = 20C11/30C11 = 2/3.
प्र: The Hardest Logic Puzzle Ever? If a giraffe has two eyes, a monkey has two eyes, and an elephant has two eyes, how many eyes do we have? 7561 05b5cc6a2e4d2b4197774cb6b
5b5cc6a2e4d2b4197774cb6b- 13false
- 24true
- 31false
- 42false
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उत्तर : 2. "4"
व्याख्या :
Answer: B) 4 Explanation: 4 eyes. Here in the question, it is asked how many Eyes We have so that means here the person who has asked the question is also including the person who is suppose to give the answer. In a clear understanding, the Conversation is happening between 2 people 1st who asked the question and 2nd to whom it has been asked, which means there are 4 eyes.

