IIT JEE Practice Question and Answer
8Q: 1.12.91 is the first Tuesday. Which is the fourth Thursday of December 91 ? 1867 05b5cc6dbe4d2b4197774e8ff
5b5cc6dbe4d2b4197774e8ff- 122.12.91false
- 225.12.91true
- 324.12.91false
- 423.12.91false
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Answer : 2. "25.12.91"
Explanation :
Answer: B) 25.12.91 Explanation: Given that 2.12.91 is the first TuesdayHence we can assume that 4.12.91 is the first Thursday If we add 7 days to 4.12.91, we will get second ThursdayIf we add 14 days to 4.12.91, we will get third ThursdayIf we add 21 days to 4.12.91, we will get fourth Thursday => fourth Thursday = (4.12.91 + 21 days) = 25.12.91.
Q: A bag contains 3 red balls, 5 yellow balls and 7 pink balls. If one ball is drawn at random from the bag, what is the probability that it is either pink or red? 1866 05b5cc6a9e4d2b4197774cef6
5b5cc6a9e4d2b4197774cef6- 12/3true
- 21/8false
- 33/8false
- 43/4false
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Answer : 1. "2/3"
Explanation :
Answer: A) 2/3 Explanation: Given number of balls = 3 + 5 + 7 = 15 One ball is drawn randomly = 15C1 probability that it is either pink or red = 7C1 + 3C115C1 = 7 + 315 = 1015 = 23
Q: How old are you if you are born in 1995? 1865 05b5cc6a6e4d2b4197774cd5b
5b5cc6a6e4d2b4197774cd5b- 122false
- 223true
- 324false
- 425false
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Answer : 2. "23"
Explanation :
Answer: B) 23 Explanation: Calculating Age has 2 conditions. Let your Birthday is on January 1st. 1. If the month in which you are born is completed in the present year i.e, your birthday, then Your Age = Present year - Year you are born As of now, present year = 2018 i.e, Age = 2018 - 1995 = 23 years. 2. If the month in which you are born is not completed in the present year i.e, your birthday, then Your Age = Last year - Year you are born As of now, present year = 2018 i.e, Age = 2017 - 1995 = 22 years.
Q: Tehri dam is located on which of the following rivers? 1865 05b5cc6b4e4d2b4197774d4af
5b5cc6b4e4d2b4197774d4af- 1Brahmaputrafalse
- 2Godavarifalse
- 3Gangafalse
- 4Bhagirathitrue
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Answer : 4. "Bhagirathi"
Explanation :
Answer: D) Bhagirathi Explanation: Tehri dam is located on the river Bhagirathi. It is a multi-purpose rock and earth-fill embankment dam on the Bhagirathi River near Tehri in Uttarakhand, India. It is the primary dam of the THDC India Ltd. and the Tehri hydroelectric complex.
Q: Shivanasamudra Falls is situated on the bank of ______ river ? 1864 05b5cc6cde4d2b4197774e1c7
5b5cc6cde4d2b4197774e1c7- 1Indusfalse
- 2Kaveritrue
- 3Gangafalse
- 4Brahmaputrafalse
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Answer : 2. "Kaveri"
Explanation :
Answer: B) Kaveri Explanation: Shivanasamudra is a famous waterfall situated in Mandya District of Karnataka State. Gaganachukki and Barachukki Falls are collectively called as Shivanasamudra Falls.
Q: What is the Focus of an Earthquake? 1864 05b5cc6a3e4d2b4197774cc0f
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Answer :
Explanation :
A Focus of an earthquake is the location where the earthquake begins. The ground ruptures at this spot, then seismic waves radiate outward in all directions. At this focus point, the release of energy due to faulting actually occurs during an earthquake. The point directly above the focus on the surface is called Epicenter. The focus is also called as Hypocenter as it is the synonym of the focus.
Q: Who has become the first cricketer to score 10,000 runs in T20 cricket ? 1864 05b5cc6ebe4d2b4197774ee96
5b5cc6ebe4d2b4197774ee96- 1David Warnerfalse
- 2Virat Kohlifalse
- 3Chris Gayletrue
- 4Suresh Rainafalse
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Answer : 3. "Chris Gayle"
Explanation :
Answer: C) Chris Gayle Explanation:
Q: What goes up and down the stairs without moving? 1863 05b5cc636e4d2b4197774b9f0
5b5cc636e4d2b4197774b9f0- 1Umbrellafalse
- 2Liftfalse
- 3Stairstrue
- 4All the abovefalse
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Answer : 3. "Stairs"
Explanation :
Answer: C) Stairs Explanation: Those are stairs which goes up and down without moving.