IIT JEE Practice Question and Answer
8Q: Which of the following is the largest unit of information? 1520 05b5cc67ee4d2b4197774c22a
5b5cc67ee4d2b4197774c22a- 11 TBtrue
- 21 GBfalse
- 31 MBfalse
- 41 KBfalse
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Answer : 1. "1 TB"
Explanation :
Answer: A) 1 TB Explanation: 1 TB > 1 GB > 1 MB > 1 KB 1 Tb (Tera Byte) = 1024 GB 1 GB (Giga Byte) = 1024 MB 1 MB (Mega Byte) = 1024 KB 1 KB (Kilo Byte) = 1024 Bytes 1 Byte = 8 Bit Hence, largest unit of information is TB (Tera Byte) and smallest unit of information is Bit.
Q: A woman fills a bucket in 6 minutes. 1845 buckets have to be filled from 8 am. to 9:30 am. How many woman employees should be employed for this task? 1519 05b5cc6b5e4d2b4197774d543
5b5cc6b5e4d2b4197774d543- 1111false
- 2117false
- 3123true
- 4139false
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Answer : 3. "123"
Explanation :
Answer: C) 123 Explanation: We know that, M1 × D1W1 = M2 × D2W2 Here M1 = 1, D1 = 6 min, W1 = 1 and M2 = M, D2 = 90 min, W2 = 1845 1 × 61 = M × 901845 => M = 123
Q: What does 'M' stand for in Roman numerals? 1517 05b5cc662e4d2b4197774be8f
5b5cc662e4d2b4197774be8f- 11false
- 250false
- 3500false
- 41000true
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Answer : 4. "1000"
Explanation :
Answer: D) 1000 Explanation: Letters of the alphabet used in ancient Rome to represent numbers: I = 1; V = 5; X = 10; L = 50; C = 100; D = 500; M = 1000. The numbers one through ten are written I, II, III, IV, V, VI, VII, VIII, IX, and X.
Q: Which player has won the Gold Medal at World Badminton Championship 2017 ? 1517 05b5cc6c9e4d2b4197774df79
5b5cc6c9e4d2b4197774df79- 1Nozomi Okuharatrue
- 2Saina Nehwalfalse
- 3Carolina Marinfalse
- 4P V Sindhufalse
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Answer : 1. "Nozomi Okuhara"
Explanation :
Answer: A) Nozomi Okuhara Explanation:
Q: The average of marks in 3 subjects is 224. The first subject marks is twice the second and the second subject marks is twice the third. Find the second subject marks ? 1517 05b5cc6cce4d2b4197774e17c
5b5cc6cce4d2b4197774e17c- 1384false
- 296false
- 3192true
- 4206false
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Answer : 3. "192"
Explanation :
Answer: C) 192 Explanation: Let the third subject marks be 'x'=> Second subject marks = 2x=> Third subject marks = 4xGiven avg = 224x + 2x + 4x = 224 x 3=> 7x = 224 x 3=> x = 96Hence, Second subject marks = 2x = 2 x 96 = 192.
Q: Sreya bought a plot for Rs. 6,00,000, then sold half of the plot at 10 % profit and rest at 15% profit. What is the total profit % that Sreya gain? 1516 05b5cc6bfe4d2b4197774da65
5b5cc6bfe4d2b4197774da65- 113.8 %false
- 211.4 %false
- 312.5 %true
- 414.5 %false
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Answer : 3. "12.5 %"
Explanation :
Answer: C) 12.5 % Explanation: 10% profit at half plot = 600000/2 x 10/100 = Rs. 30,000 15% profit at remaining half plot = 600000/2 x 15/100 = Rs. 45,000 Now, total profit = 30000 + 45000 = 75000 Profit % = 75000/600000 x 100 = 12.5 %
Q: There are n boxes and m fruits. If we put 3 fruits in each box 3 fruits will be excess. If we put 4 fruits in each box 1 box will be excess. Find number of boxes and fruits ? 1515 05b5cc711e4d2b4197774f3ff
5b5cc711e4d2b4197774f3ff- 13 & 9false
- 26 & 19false
- 37 & 24true
- 45 & 18false
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Answer : 3. "7 & 24"
Explanation :
Answer: C) 7 & 24 Explanation: 7 boxes & 24 Balls.Let, n = No. of boxes ; m = No. of fruits3n+3 = m---------->(1)4(n-1)= m---------->(2)=>4n-4 = 3n+3;=>4n-3n = 4+3n = 7Put n=7 in eqn(1)=> 3(7)+3 = m21+3 = mm = 24; Number of boxes = 7 and fruits = 24
Q: What is the name of a 12-year-old Indian-origin boy who has been crowned as the UK's 'child genius' in a popular television quiz competition ? 1515 05b5cc6cae4d2b4197774e00b
5b5cc6cae4d2b4197774e00b- 1Rahul Doshitrue
- 2Anshul Vermafalse
- 3Ravi Sharmafalse
- 4Ronan Kumarfalse
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Answer : 1. "Rahul Doshi"
Explanation :
Answer: A) Rahul Doshi Explanation: