IIT JEE Practice Question and Answer
8Q: 10 25 45 54 60 75 85 Find the Odd Number? 1648 05b5cc6bce4d2b4197774d897
5b5cc6bce4d2b4197774d897- 154true
- 210false
- 345false
- 485false
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Answer : 1. "54"
Explanation :
Answer: A) 54 Explanation: In given Series, all the numbers except 54 are multiples of 5.
Q: 54, 60 LCM is 1222 05b5cc6bce4d2b4197774d891
5b5cc6bce4d2b4197774d891- 1600false
- 2540true
- 360false
- 454false
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Answer : 2. "540"
Explanation :
Answer: B) 540 Explanation: Here the LCM of 54, 60 is => 2 x 3 x 3 x 3 x 10 = 6 x 9 x 10 = 54 x 10 = 540.
Q: What is the difference between Thermal Energy and Heat Energy? 1355 05b5cc6bce4d2b4197774d890
5b5cc6bce4d2b4197774d890- Show AnswerHide Answer
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Answer :
Explanation :
Energy tranfer takes place either by means of Heat or Work only in Thermodynamics. Heat :: Heat Energy is defined as Energy that can be transferred due to temperature change. Whereas Thermal Energy :: Thermal Energy is the Internal Energy stored in the system maintained at a certain Temperature.
Q: Which State is the "most corrupt state" According to the National Crime Records Bureau (NCRB)? 1561 05b5cc6bce4d2b4197774d886
5b5cc6bce4d2b4197774d886- 1B)? A)false
- 2? A) Manipur B) Maharashtratrue
- 3Himachal Pradeshfalse
- 4Uttarakhandfalse
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Answer : 2. "?
A) Manipur
B) Maharashtra"
Explanation :
Answer: B) Maharashtra Explanation:
Q: Coral Reefs in India can be found in 1668 05b5cc6bce4d2b4197774d881
5b5cc6bce4d2b4197774d881- 1Rameshwaramtrue
- 2Trivandrumfalse
- 3The coast of Orissafalse
- 4Waltairfalse
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Answer : 1. "Rameshwaram"
Explanation :
Answer: A) Rameshwaram Explanation: In India Coral Reefs can be found in Rameshwaram. Coral reefs in India are one of the most ancient and dynamic ecosystems of India. The coral reefs not only provide a sanctuary to a myriad of marine life but also play a key role in protecting the coastline from erosion. Coral reefs are diverse underwater ecosystems held together by calcium carbonate structures secreted by corals. Coral reefs are built by colonies of tiny animals found in marine water that contain few nutrients.
Q: A & B invest Rs. 1,16,000 & 1,44,000 respectively. B invests for 6 months. At the end of the year, B’s share is Rs. 9000, find the overall profit? 1595 05b5cc6bce4d2b4197774d877
5b5cc6bce4d2b4197774d877- 1Rs. 23,500true
- 2Rs. 19,780false
- 3Rs. 21,700false
- 4Rs. 20,050false
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Answer : 1. "Rs. 23,500"
Explanation :
Answer: A) Rs. 23,500 Explanation: Given A & B in partnership A Invests 116000 for 12 months => A's share = 116000 x 12 = 13,92,000 B Invests for 6 months => B's share = 144000 x 6 = 8,64,000 Their Ratio = 1392 : 864 = 29 : 18 Let the Annual profit = P Given B's share = Rs. 9000 => 18/47 x P = 9000 => P = 9000 x 47/18 => P = 23,500 Hence, Overall profit = P = Rs. 23,500
Q: 83% of 2350 = ? 1400 05b5cc6bce4d2b4197774d87c
5b5cc6bce4d2b4197774d87c- 11889.95false
- 21912.35false
- 31875.25false
- 41950.50true
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Answer : 4. "1950.50"
Explanation :
Answer: D) 1950.50 Explanation: 83% of 2350 = ? 83/100 x 2350 =8.3 x 235 =1950.50
Q: 194, 194, 191, 183, 168, ? Find the next number in the above series? 4098 05b5cc6bce4d2b4197774d872
5b5cc6bce4d2b4197774d872- 1154false
- 2156false
- 3144true
- 4143false
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Answer : 3. "144"
Explanation :
Answer: C) 144 Explanation: Here the series follows, 194 194 - (1x1 - 1) = 194 194 - (2x2 - 1) = 191 191 - (3x3 - 1) = 183 183 - (4x4 - 1) = 168 168 - (5x5 - 1) = 144

