IIT JEE Practice Question and Answer
8Q: The product of a number and its multiplicative inverse is 4669 05b5cc64de4d2b4197774bc70
5b5cc64de4d2b4197774bc70- 11true
- 20false
- 3-1false
- 4Infinityfalse
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Answer : 1. "1"
Explanation :
Answer: A) 1 Explanation: The mutiplicative inverse of a number is nothing but a reciprocal of a number. Now, the product of a number and its multiplicative inverse is always equal to 1. For example : Let the number be 15 Multiplicative inverse of 15 = 1/15 The product of a number and its multiplicative inverse is = 15 x 1/15 = 1.
Q: With which Sport is the Jules Rimet Trophy associated? 4661 05b5cc6abe4d2b4197774d072
5b5cc6abe4d2b4197774d072- 1Hockeyfalse
- 2Badmintonfalse
- 3Golffalse
- 4Footballtrue
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Answer : 4. "Football"
Explanation :
Answer: D) Football Explanation: Jules Rimet Trophy is associated with the game Football. The Jules Rimet Trophy was named in the honour of Jules Rimet, who is FIFA's longest-serving president, in office for 33 years.
Q: 21st letter of the alphabet is a Consonant. 4650 05b5cc6a3e4d2b4197774cc3e
5b5cc6a3e4d2b4197774cc3e- 1TRUEfalse
- 2FALSEtrue
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Answer : 2. "FALSE"
Explanation :
Answer: B) FALSE Explanation: We know there are 26 alphabets in English. The 21st letter in the alphabet is 'U'. We have 5 vowels and 21 consonants. Vowels :: A, E, I, O, U. U is not consonant and is a vowel. Hence, the given statement that 21st letter in the alphabet i.e, U is consonant is a FALSE.
Q: " Hopman cup " is related to which sports ? 4643 05b5cc6d6e4d2b4197774e689
5b5cc6d6e4d2b4197774e689- 1Cricketfalse
- 2Badmintonfalse
- 3Lawn Tennistrue
- 4Footballfalse
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Answer : 3. "Lawn Tennis"
Explanation :
Answer: C) Lawn Tennis Explanation: Law Tennis Hopman cup is a hard-court tennis tournament held every year in Australia. Teams from different countries participates in the tournament.
Q: The Indian to beat the computers in mathematical wizardry is 4637 05b5cc6a2e4d2b4197774cb66
5b5cc6a2e4d2b4197774cb66- 1Shakuntala Devitrue
- 2Raja Ramannafalse
- 3Rina Panigrahifalse
- 4Ramanujamfalse
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Answer : 1. "Shakuntala Devi"
Explanation :
Answer: A) Shakuntala Devi Explanation:
Q: Which action is the best example of a direct observation? 4623 05b5cc66de4d2b4197774bfaa
5b5cc66de4d2b4197774bfaa- 1listening to a cricket chirp at night and counting the number of chirps per minutetrue
- 2determining the seal population of an island by counting seals in 10 square meters of the islandfalse
- 3identifying which bird was present by the tracks that it leaves in the sand at a beachfalse
- 4reading numbers on a heat sensor to conclude that there is a deer in the night woodsfalse
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Answer : 1. "listening to a cricket chirp at night and counting the number of chirps per minute"
Explanation :
Answer: A) listening to a cricket chirp at night and counting the number of chirps per minute Explanation:
Q: Grapes : Wine :: Squid : ? 4619 05b5cc69de4d2b4197774c93d
5b5cc69de4d2b4197774c93d- 1Oceanfalse
- 2Saladfalse
- 3Calamaritrue
- 4Fishingfalse
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Answer : 3. "Calamari"
Explanation :
Answer: C) Calamari Explanation: Here the given words follow a relation in such a way that, grapes are made into wine. Similarly, squid are made into calamari. Hence, Grapes : Wine :: Squid : Calamari
Q: In order to maximize his gain, a shopping mall owner decides to reduce the price of electronics goods by 20% and as a result of this, the sales of electronics increase by 40%. If, as a result of these changes, he is able to increase his weekly collection by Rs. 1,05,000, find by what value did the gross collection increase per day? 4613 05b5cc6aee4d2b4197774d188
5b5cc6aee4d2b4197774d188- 1Rs. 14400false
- 2Rs. 14600false
- 3Rs. 14800false
- 4Rs. 15000true
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Answer : 4. "Rs. 15000"
Explanation :
Answer: D) Rs. 15000 Explanation: It won't requires that much solving. Here given the increase in weekly collection by Rs. 1,05,000 That is this increase denotes for all 7 days. => Gross Collection increase per day = Rs. 1,05,0007 = Rs. 15,000 Hence, the gross collection increase per day = Rs. 15,000.

