IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: Which type of rock usually underlies a karst landscape? 2201 05b5cc64de4d2b4197774bca7
5b5cc64de4d2b4197774bca7- 1Limestonetrue
- 2Quartzfalse
- 3Granitefalse
- 4All the abovefalse
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उत्तर : 1. "Limestone"
व्याख्या :
Answer: A) Limestone Explanation: Karst is a type of landscape that is characterized by caverns, caves, sinkholes, and underground streams. These features were all caused by erosion of the underlying rock. Limestone type of rock usually underlies a karst landscape.
प्र: A person says that his son is 5 times as old as his daughter and his wife is 5 times older than his son and he is twice the age of his wife . The sum total of all the ages equals the age of the grand mother who celebrated her 81st birthday today. How old was his son? 2200 05b5cc715e4d2b4197774f413
5b5cc715e4d2b4197774f413- 150 yrstrue
- 225 yrsfalse
- 372 yrsfalse
- 440 yrsfalse
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उत्तर : 1. "50 yrs"
व्याख्या :
Answer: A) 50 yrs Explanation: Let the daughter age be 'x'Therefore, Son age = 5x, Mother age = 25x, Person age = 50x. Thus we get, x+5x+25x+50x = 8181x = 81x = 1 Daughter's age = 1, Son's = 5, Mother's = 25, Person's age = 50.
प्र: In the given numbers, if in each number first digit is replaced by the third digit, second digit is replaced by the first digit and third digit is replaced by the second digit then which number will be the biggest ? 653 749 872 933 541 2198 05b5cc6c5e4d2b4197774dd41
5b5cc6c5e4d2b4197774dd41- 1933false
- 2872false
- 3749true
- 4653false
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उत्तर : 3. "749"
व्याख्या :
Answer: C) 749 Explanation: From the given data, Largest number = 974 Therefore, the required number is 749.
प्र: Oar is to rowboat as foot is to 2198 05b5cc672e4d2b4197774c07d
5b5cc672e4d2b4197774c07d- 1Walkfalse
- 2Loafersfalse
- 3Skateboardtrue
- 4Runningfalse
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उत्तर : 3. "Skateboard"
व्याख्या :
Answer: C) Skateboard Explanation: A rowboat can be put into motion by using oar. Similaarly, a skateboard can be put into motion by using foot. The other options like walk and running are not objects to be in motion. And loafers are something worn on foot. Hence, Oar : Rowboat :: Foot : Skateboard.
प्र: A person got Rs.48 more when he invested a certain sum at compound interest instead of simple interest for two years at 8% p.a. Find the sum ? 2196 05b5cc6e0e4d2b4197774eb61
5b5cc6e0e4d2b4197774eb61- 1Rs.8000false
- 2Rs.6500false
- 3Rs.7500true
- 4Rs.5000false
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उत्तर : 3. "Rs.7500"
व्याख्या :
Answer: C) Rs.7500 Explanation: p=d×1002R2 Where d is difference, r is rate of interest. => (48 x 100 x 100) / 8 x 8 = Rs.7500
प्र: There are 600 Kabaddi players 4% wear knee band on one leg. Of the remaining, 25% wear knee bands on both legs. How many players don't wear a knee band ? 2195 05b5cc741e4d2b4197774f9db
5b5cc741e4d2b4197774f9db- 1426false
- 2428false
- 3415false
- 4432true
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उत्तर : 4. "432"
व्याख्या :
Answer: D) 432 Explanation: There are 600 Kabaddi players4% wear knee band on one legRemaining players = 600 x 0.96 = 576Of the remaining, 25% wear knee bands on both leg and Of the remaining, 75% do not wear knee bands .So players not wearing knee bands = 0.75 x 576 = 576 x 3/4 = 144 x 3 = 432.
प्र: Tractor : Trailer :: Horse : ? 2194 05b5cc69de4d2b4197774c947
5b5cc69de4d2b4197774c947- 1Saddlefalse
- 2Enginefalse
- 3Carttrue
- 4Stablefalse
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उत्तर : 3. "Cart"
व्याख्या :
Answer: C) Cart Explanation: Here the given words are related in such a way that, Trailer is pulled by Tractor and similarly, Cart is pulled by Horse. Hence, Tractor : Trailer :: Horse : Cart.
प्र: Crack the Missing Letter Puzzle? 2194 05b5cc6bfe4d2b4197774da83
5b5cc6bfe4d2b4197774da83- 1Ifalse
- 2Kfalse
- 3Ltrue
- 4Wfalse
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उत्तर : 3. "L"
व्याख्या :
Answer: C) L Explanation: 13 x 2 = 26 => Z (opposite side) 12 x 2 = 24 => X (opposite side) 13 x 1 = 13 => M (opposite side) 12 x 1 = 12 => L (opposite side)

