IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: A number, when 35 is subtracted from it, reduces to its 80 percent. What is four - fifth of that number ? 1747 05b5cc6dee4d2b4197774ea4b
5b5cc6dee4d2b4197774ea4b- 1175false
- 2140true
- 3135false
- 495false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 2. "140"
व्याख्या :
Answer: B) 140 Explanation: x - 35 = 80x/100 => x = 175 => 4x/5 = 4x175/5 = 140.
प्र: 5% of 40,000 is 1747 05b5cc6ade4d2b4197774d0ee
5b5cc6ade4d2b4197774d0ee- 120000false
- 22000true
- 3200false
- 420false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 2. "2000"
व्याख्या :
Answer: B) 2000 Explanation: 5% of 40,000 = 5100 × 40,000 = 5 × 400 = 2,000 Hence, 5% of 40,000 = 2,000.
प्र: Which of the following is not a prime number? 1747 05b5cc655e4d2b4197774bd59
5b5cc655e4d2b4197774bd59- 15false
- 211false
- 321true
- 437false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 3. "21"
व्याख्या :
Answer: C) 21 Explanation: A prime number is a whole number greater than 1 whose only factors are 1 and itself. Factors of 5 are 1, 5 Factors of 11 are 1, 11 Factors of 21 are 1, 3, 7, 21 Factors of 37 are 1, 37. Hence, according to the definition of a prime number, 21 is not a prime number as it has more than two factors.
प्र: Find the odd letter/word from the given alternatives. 1746 05b5cc6cae4d2b4197774dff2
5b5cc6cae4d2b4197774dff2- 1Horsetrue
- 2Ewefalse
- 3Hindfalse
- 4Bitchfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "Horse"
व्याख्या :
Answer: A) Horse Explanation: Except Horse, remaining all belong to female category. Hind - Female Deer Ewe - Female Sheep Bitch - Female Dog.
प्र: Which is the best description of civil liberties? 1746 05b5cc636e4d2b4197774ba15
5b5cc636e4d2b4197774ba15- 1privilegesfalse
- 2rights guaranteed by lawtrue
- 3natural rightsfalse
- 4democratic goalsfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 2. "rights guaranteed by law"
व्याख्या :
Answer: B) rights guaranteed by law Explanation: Rights guaranteed by law, is the best description of Civil liberties.
प्र: In a vacuum, all electromagnetic waves have the same 1746 05b5cc63de4d2b4197774bb0a
5b5cc63de4d2b4197774bb0a- 1Velocitytrue
- 2Wavelenthfalse
- 3Frequencyfalse
- 4All the abovefalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "Velocity"
व्याख्या :
Answer: A) Velocity Explanation: When traveling in a vacuum, electronic waves from the electromagnetic spectrum all travel at the same speed. Velocity is speed with direction, so they would all travel at the same velocity, realtively speaking. But frequency and wavelength are quite different.
प्र: Maneela lent Rs. 8000 partly at the rate of 5% and partly at the rate of 6% per annum simple interest. The total interest she get after 2 years is Rs. 820, then in which ratio will Rs. 8000 is to be divided? 1746 05b5cc6bee4d2b4197774d9b5
5b5cc6bee4d2b4197774d9b5- 17:1true
- 213:5false
- 315:7false
- 42:7false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "7:1"
व्याख्या :
Answer: A) 7:1 Explanation: Maneela lent Rs. 8000 in two parts,
प्र: A semi-mechanised car park, the first of its kind in Jammu and Kashmir, was inaugurated by ___________. 1745 05b5cc6dde4d2b4197774e9fb
5b5cc6dde4d2b4197774e9fb- 1Mehbooba Muftitrue
- 2Narendra Modifalse
- 3Nitin Gadkarifalse
- 4Pranab Mukherjeefalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "Mehbooba Mufti"
व्याख्या :
Answer: A) Mehbooba Mufti Explanation: A semi-mechanised car park, the first of its kind in Jammu and Kashmir, was inaugurated by Chief Minister Mehbooba Mufti who hoped the facility would ease traffic congestion in and around Lal Chowk. The multi-level car park, located near the old KMD bus stand on Maulana Azad Road, has been set up at a cost of Rs 27.15 crore and has a capacity to hold 288 vehicles.

