IIT JEE Practice Question and Answer
8Q: What do lines of latitude measure? 1377 05b5cc6a1e4d2b4197774cb03
5b5cc6a1e4d2b4197774cb03- 1east-west position between the polesfalse
- 2north-south position between the polestrue
- 3north-east position between the polesfalse
- 4south-west position between the polesfalse
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Answer : 2. "north-south position between the poles"
Explanation :
Answer: B) north-south position between the poles Explanation: Lines of latitude measure north-south position between the poles. Lines of latitude are imaginary reference lines that describe how far north or south a location on the Earth is from the Equator. The equator is defined as 0 degrees, the North Pole is 90 degrees north, and the South Pole is 90 degrees south. Lines of latitude are all parallel to each other, thus they are often referred to as parallels.
Q: In a triangle ABC, angle 'a' is the smallest one & A+7B = 112. Find the range of value 'c' ? 1377 05b5cc6f4e4d2b4197774efe6
5b5cc6f4e4d2b4197774efe6- 1138 to 164false
- 2125 to 147false
- 3148 to 158false
- 4152 to 164true
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Answer : 4. "152 to 164"
Explanation :
Answer: D) 152 to 164 Explanation: A+7B=112 it is clear that A = 14, then it becomes A>=B, but A is smallest angle) givenso, range of A is 0.0001 to 13.9999 ( I am taking upto 4 decimal places)so, range of B becomes 14 to 16 ( after rounding off to 4 decimal places)so, range of C becomes 152 to 164 ( after rounding off to 4 decimal places)
Q: Name the Asian country that has 1st time turned around from a Net importer of electricity to Net Exporter of electricity, as per Central Electricity Authority of the country. 1377 05b5cc705e4d2b4197774f230
5b5cc705e4d2b4197774f230- 1Indiatrue
- 2Bangladeshfalse
- 3Myanmarfalse
- 4Pakistanfalse
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Answer : 1. "India"
Explanation :
Answer: A) India Explanation: As per Central Electricity Authority, the Designated Authority of Government of India for Cross Border Trade of Electricity, 1st time 'India' has turned around from a net importer of electricity to Net Exporter of electricity.
Q: How many weekends in a year? 1377 05b5cc6afe4d2b4197774d244
5b5cc6afe4d2b4197774d244- 152false
- 253false
- 3103false
- 4104true
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Answer : 4. "104"
Explanation :
Answer: D) 104 Explanation: In normal we have 104 Weekend Days. We know that a Each normal year has 365 days or 52 weeks plus one day, and each week has two weekend days, which means there are approximately 104 weekend days each year. Whereas in a leap year we have 366 days it adds one more day to the year. And what makes the change is the starting day of the year.
Q: Name the player who became the first Indian javelin thrower to claim a gold medal at the Commonwealth Games 2018. 1376 05b5cc697e4d2b4197774c5ea
5b5cc697e4d2b4197774c5ea- 1Neeraj Chopratrue
- 2Ankur Mittalfalse
- 3Seema Antilfalse
- 4Annu Ranifalse
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Answer : 1. "Neeraj Chopra"
Explanation :
Answer: A) Neeraj Chopra Explanation: Neeraj Chopra became the first Indian javelin thrower to claim a gold medal at the Commonwealth Games, with a season’s best effort of 86.47m in the final. The 20-year-old junior world champion had made the final after achieving the qualifying mark in his very first throw.
Q: If K earns 12% less than L, then how much percent more does L earn than K ? 1375 05b5cc6c4e4d2b4197774dcb8
5b5cc6c4e4d2b4197774dcb8- 113.96%false
- 213.63%true
- 313.56%false
- 414.01%false
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Answer : 2. "13.63%"
Explanation :
Answer: B) 13.63% Explanation: Required % is given by => 12100-12x100 = 1200/88 = 13.636%
Q: In what time a 360 m. long train moving at the speed of 44 km/hr will cross a 140 m. long bridge ? 1375 05b5cc6c8e4d2b4197774df0f
5b5cc6c8e4d2b4197774df0f- 136 secfalse
- 239 secfalse
- 341 sectrue
- 443 secfalse
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Answer : 3. "41 sec"
Explanation :
Answer: C) 41 sec Explanation: Speed = 44 kmph x 5/18 = 110/9 m/s We know that, Time = distance/speed Time = (360 + 140) / (110/9) = 500 x 9/110 = 41 sec.
Q: The sum of three numbers is 98. If the ratio of the first to the second is 2:3. And that of the second to the third is 5:8, then the second number is: 1375 05b5cc6dfe4d2b4197774eae9
5b5cc6dfe4d2b4197774eae9- 130true
- 227false
- 323false
- 433false
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Answer : 1. "30"
Explanation :
Answer: A) 30 Explanation: Then, A:B = 2:3 and B:C = 5:8= (5 x 3/5) : (8 x 3/5) = 3:24/5A:B:C = 2:3:24/5= 10:15:24 => B = 98 x 15/49 = 30.

