IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: Who wrote the first history book? 2052 05b5cc69de4d2b4197774c91e
5b5cc69de4d2b4197774c91e- 1Herodotustrue
- 2Euclidfalse
- 3Julius Caesarfalse
- 4Aristotlefalse
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उत्तर : 1. "Herodotus"
व्याख्या :
Answer: A) Herodotus Explanation: Herodotus, a Greek author written the first history book in 5th century B.C.
प्र: Find the odd one out of the series ? 35, 48, 54, 63, 81, 105 2052 05b5cc6dae4d2b4197774e8c3
5b5cc6dae4d2b4197774e8c3- 163false
- 248false
- 335true
- 481false
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उत्तर : 3. "35"
व्याख्या :
Answer: C) 35 Explanation: 48, 54, 63, 81 and 105 are divisible by 3 but not 35.
प्र: 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 ? 2052 05b5cc6e1e4d2b4197774ebde
5b5cc6e1e4d2b4197774ebde- 1215true
- 2268false
- 3254false
- 4216false
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उत्तर : 1. "215"
व्याख्या :
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.
प्र: Which Temple has been named as the cleanest iconic place in India under the 'Swachhata Hi Seva' Programme ? 2051 05b5cc6c1e4d2b4197774db7d
5b5cc6c1e4d2b4197774db7d- 1Vaishno Devi Templefalse
- 2Tirupathi Templefalse
- 3Golden Templefalse
- 4Meenakshi Templetrue
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उत्तर : 4. "Meenakshi Temple"
व्याख्या :
Answer: D) Meenakshi Temple Explanation: The Meenakshi Temple in Tamil Nadu's Madurai has been named the cleanest iconic place in India under the 'Swachhata Hi Seva' programme.
प्र: What profit percent is made by selling an article at a certain price, if by selling at 2/3rd of that price, there would be a loss of 20% ? 2051 05b5cc6dbe4d2b4197774e937
5b5cc6dbe4d2b4197774e937- 130 %false
- 225 %false
- 315 %false
- 420 %true
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उत्तर : 4. "20 %"
व्याख्या :
Answer: D) 20 % Explanation: SP2 = 2/3 SP1CP = 100SP2 = 802/3 SP1 = 80 SP1 = 120100 --- 20 => 20%
प्र: Anil purchases two books for Rs.100. He sells first at loss of 5% and second al 20% profit. If he gets Overall profit of 5% then what is cost of first book? 2050 05b5cc60de4d2b4197774b61d
5b5cc60de4d2b4197774b61d- 158false
- 260true
- 355false
- 445false
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उत्तर : 2. "60"
व्याख्या :
Answer: B) 60 Explanation: -5-----------------------5-------------------20 5-(-5) = 10 20-5= 15 Ratio of cost price of book1 and book2 = 3:2 Then cost price of book 1 is given by (3/5) x 100 = Rs. 60.
प्र: What has no beginning, end or middle? 2050 05b5cc696e4d2b4197774c59e
5b5cc696e4d2b4197774c59e- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
A Donut or Doughnut. Anything in the shape of a torus.
प्र: How many Months of the year have 28 Days? 2050 05b5cc6b8e4d2b4197774d643
5b5cc6b8e4d2b4197774d643- 112true
- 27false
- 35false
- 46false
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उत्तर : 1. "12"
व्याख्या :
Answer: A) 12 Explanation: We have 12 months. In every month we get 28 or more days. So that implies we get 28 days in each and every month.