IIT JEE Practice Question and Answer
8Q: The cost price of 40 Magazines is the same as the selling price of 'P' articles. If the profit is 25%, then the value of 'P' is: 1669 05b5cc76ae4d2b4197774fe4f
5b5cc76ae4d2b4197774fe4f- 132true
- 240false
- 316false
- 430false
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Answer : 1. "32"
Explanation :
Answer: A) 32 Explanation: Let C.P. of each Magazine be Rs. 1 C.P. of P articles = Rs. P.┬а S.P. of P articles = Rs. 40. ┬а Profit = Rs. (40 - P) ┬а Now, Gain% =┬аProfitC.P├Ч100┬а=┬а40-PP├Ч100┬а ┬а Here 40-PP├Ч100= 25 -->P = 32.
Q: 5┬а+ 2 x 10 = 1669 05b5cc622e4d2b4197774b7e9
5b5cc622e4d2b4197774b7e9- 170false
- 220false
- 325true
- 452false
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Answer : 3. "25"
Explanation :
Answer: C) 25 Explanation: According to BODMAS rule, After multiplication only, addition is done. Hence, 5┬а+┬а2 x 10 = 5 + 20 = 25.
Q: 217 x 217 + 183 x 183 = ? 1669 05b5cc6e5e4d2b4197774ed10
5b5cc6e5e4d2b4197774ed10- 184521false
- 287487false
- 380578true
- 478458false
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Answer : 3. "80578"
Explanation :
Answer: C) 80578 Explanation: 2172+1832 ┬а = 200+172+200-172 ┬а It is in the form of┬аa+b2+a-b2=2a2+b2 ┬а = 2(40000 + 289) = 80578.
Q: What is the next letter in the given seriesM N J Q G ? 1669 05b5cc74ae4d2b4197774fa7c
5b5cc74ae4d2b4197774fa7c- 1Ufalse
- 2Sfalse
- 3Ttrue
- 4Hfalse
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Answer : 3. "T"
Explanation :
Answer: C) T Explanation: 1ST SERIES = M J G... It decreasing by 3 alphabets.2ND SERIES = N Q... It increasing by 3 alphabets. M N J Q G T...
Q: What time will it be in 8 hours? 1669 05b5cc619e4d2b4197774b743
5b5cc619e4d2b4197774b743- Show AnswerHide Answer
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Answer :
Explanation :
For exampe if it is 12:45 AM, then after 8 hours the time is┬а 12 hrs 45 min + 8 hrs = 8 : 45 PM in the night on the same day.
Q: The court language during the reign of Akbar was _____ ? 1668 05b5cc6cae4d2b4197774e036
5b5cc6cae4d2b4197774e036- 1Urdufalse
- 2Persiantrue
- 3Arabicfalse
- 4Hindifalse
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Answer : 2. "Persian"
Explanation :
Answer: B) Persian Explanation:
Q: Where does cellular respiration take place in the cell? 1668 05b5cc651e4d2b4197774bcf9
5b5cc651e4d2b4197774bcf9- 1cytoplasmfalse
- 2mitochodriatrue
- 3Ribosomesfalse
- 4Chromosomesfalse
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Answer : 2. "mitochodria"
Explanation :
Answer: B) mitochodria Explanation: Cellular repiration takes place in the mitochodria. ┬а There are 3 phases of cellular respiration. They are: 1. Glycolysis (Fermentation), 2. Krebs Cycle, and 3. Electron Transport. ┬а Glycolysis takes place in the cytoplasm. The Krebs cycle and electron transport takes place in the mitochondria.
Q: An increase in the quantity demanded means that 1666 05b5cc67be4d2b4197774c1b3
5b5cc67be4d2b4197774c1b3- 1The demand curve shifted to rightfalse
- 2Price of the product has declinedfalse
- 3Increase in consumer incomefalse
- 4All the abovetrue
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Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation: