IIT JEE Practice Question and Answer
8Q: On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is ? 1570 05b5cc6dfe4d2b4197774eac6
5b5cc6dfe4d2b4197774eac6- 1476190476false
- 248617false
- 347619true
- 44587962false
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Answer : 3. "47619"
Explanation :
Answer: C) 47619 Explanation: By hit and trail, we find that 47619 x 7 = 333333. 7) 333333 (47619 333333---------------- 0 And 476190476 x 7 = 3333333333 but smallest number is 47619.
Q: KYC norms for e-wallets made mandatory from 1570 05b5cc6a6e4d2b4197774cd6a
5b5cc6a6e4d2b4197774cd6a- 1March 31false
- 2March 1true
- 3April 1false
- 4May 1false
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Answer : 2. "March 1"
Explanation :
Answer: B) March 1 Explanation:
Q: An item is sold at a loss of 10%. Had it sold for Rs. 9 more, a profit of 25/2% would have gained. What is the cost price of the item? 1570 05b5cc688e4d2b4197774c2f0
5b5cc688e4d2b4197774c2f0- 1Rs. 90false
- 2Rs. 75false
- 3Rs. 55false
- 4Rs. 40true
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Answer : 4. "Rs. 40"
Explanation :
Answer: D) Rs. 40 Explanation: Let the cost price of the item = Rs. 50 Sold at 10% loss => for Rs. 50 loss S.P = Rs. 45 From the given data, 25/2 % gain if it is sold at Rs. 9 more 56.25 - 45 = 9 => 11.25 = 9 => 22.5 = 18 => 45 = 36 => 50 = ? => C.P = 50 x 3645 = 40 Hence, the Cost price of the item = Rs. 40.
Q: Express 0.875 and 0.375 as a Fraction. 1570 05b5cc6b3e4d2b4197774d3ed
5b5cc6b3e4d2b4197774d3ed- 13/11 & 7/11false
- 27/9 & 9/13false
- 37/8 & 3/8true
- 47/9 & 9/11false
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Answer : 3. "7/8 & 3/8"
Explanation :
Answer: C) 7/8 & 3/8 Explanation: Given 0.875 and 0.375 0.875 :: After decimal point there are 3 digits 875 Now, mutiply and divide 0.875 with 1000 0.875 x 10001000 = 8751000 Now, this can be reduced to fraction 78Therefore, 0.875 as fraction = 78 Similarly, 0.375 :: After decimal point there are 3 digits 375 Now, mutiply and divide 0.375 with 1000 0.375 x 10001000 = 3751000Now, this can be reduced to fraction 38Therefore, 0.375 as fraction = 38
Q: In how many different ways can the letters of the word 'POVERTY' be arranged ? 1570 05b5cc6b4e4d2b4197774d4bb
5b5cc6b4e4d2b4197774d4bb- 12520false
- 25040true
- 31260false
- 4Nonefalse
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Answer : 2. "5040"
Explanation :
Answer: B) 5040 Explanation: The 7 letters word 'POVERTY' be arranged in 7P7 ways = 7! = 5040 ways.
Q: What one word has the most letters in it? 1569 05b5cc658e4d2b4197774bdcc
5b5cc658e4d2b4197774bdcc- Show AnswerHide Answer
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Answer :
Explanation :
ALPHABET is the only has the most letters in it. Alphabet has all the 26 letters from A - Z. Hence, ALPHABET is one word that has the most letters in it.
Q: Which country have declared 2020 'Unique Year for Space Sector' ? 1569 05b5cc6c0e4d2b4197774db23
5b5cc6c0e4d2b4197774db23- 1United Arab Emiratestrue
- 2Englandfalse
- 3USAfalse
- 4Indiafalse
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Answer : 1. "United Arab Emirates"
Explanation :
Answer: A) United Arab Emirates Explanation:
Q: The capacity of a water heater is measured in 1568 05b5cc69de4d2b4197774c888
5b5cc69de4d2b4197774c888- 1Gallonsfalse
- 2Litersfalse
- 3Metersfalse
- 4Both A & Btrue
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Answer : 4. "Both A & B"
Explanation :
Answer: D) Both A & B Explanation: The capacity of a water heater is measured in Gallons or Liters. In the USA, it is measured in Gallons and in India, we measure it in Liters. Hence, if the capacity of the water heater is 15 gallons or 15 liters, then it says that it can hold 15 gallons or 15 liters of water.

