IIT JEE Practice Question and Answer

Q: Which Bank has made online transactions through RTGS and NEFT free of cost from November 1? 1017 0

  • 1
    HDFC Bank
    Correct
    Wrong
  • 2
    Karur Vysya Bank
    Correct
    Wrong
  • 3
    ICICI Bank
    Correct
    Wrong
  • 4
    SBI Bank
    Correct
    Wrong
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Answer : 1. "HDFC Bank"
Explanation :

Answer: A) HDFC Bank Explanation: Private sector lender HDFC Bank has made online fund transfer through RTGS (Real Time Gross Settlement) and NEFT (National Electronic Funds Transfer) free with effect from November 1, with an aim to promote digital economy. According to the revised charges, customers of savings and salary accounts of HDFC Bank will not have to pay any charge for transferring funds online using its RTGS and NEFT facilities.

Q: What is the currency of South Korea? 1016 0

  • 1
    Krona
    Correct
    Wrong
  • 2
    Zloty
    Correct
    Wrong
  • 3
    Won
    Correct
    Wrong
  • 4
    Nakfa
    Correct
    Wrong
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Answer : 3. "Won"
Explanation :

Answer: C) Won Explanation:

Q: A certain amount earns simple interest of Rs. 2260 after 3 years. Had the interest been 1 % more how much more interest would it have earned ? 1016 0

  • 1
    Rs. 175
    Correct
    Wrong
  • 2
    Rs. 220.75
    Correct
    Wrong
  • 3
    Rs. 126
    Correct
    Wrong
  • 4
    Can't be determined
    Correct
    Wrong
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Answer : 4. "Can't be determined"
Explanation :

Answer: D) Can't be determined Explanation: Here given Interest earned = Rs. 2260 Time = 3 years Rate of interest = ? Principal Amount = ? So, it can't be determined.

Q: Which country is going to launch the world's first nuclear power plant (Sanmen Nuclear Power Station) that is immune to meltdown ? 1015 0

  • 1
    India
    Correct
    Wrong
  • 2
    USA
    Correct
    Wrong
  • 3
    China
    Correct
    Wrong
  • 4
    Russia
    Correct
    Wrong
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Answer : 3. "China"
Explanation :

Answer: C) China Explanation:

Q: What is the number that should come in the place of question mark ? 1050    420    168     67.2     ? 1015 0

  • 1
    19.11
    Correct
    Wrong
  • 2
    14.25
    Correct
    Wrong
  • 3
    10.752
    Correct
    Wrong
  • 4
    26.88
    Correct
    Wrong
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Answer : 4. "26.88"
Explanation :

Answer: D) 26.88 Explanation: Given series follows the rule of 1050/2.5 = 420420/2.5 = 168168/2.5 = 67.2so 67.2/2.5 = 26.88

Q: When is 99 more than 100? 1014 0

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Answer :
Explanation :

A microwave. Generally when you run a microwave for '99' it runs for 1 minute and 39 seconds. '100' runs for 1 minute.

Q: 10 boys can complete a work in 7 days and 10 girls take 14 days to complete the work. How many days will 5 boys and 10 girls take to complete the work ? 1014 0

  • 1
    13 days
    Correct
    Wrong
  • 2
    10 days
    Correct
    Wrong
  • 3
    7 days
    Correct
    Wrong
  • 4
    16 days
    Correct
    Wrong
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Answer : 3. "7 days"
Explanation :

Answer: C) 7 days Explanation: 1 boy's 1 day work = 1/70 1 girl's 1 day work = 1/140 (5 boys + 10 girls)'s 1 day work = (5/70 + 10/140) = (1/14 + 1/14) = 1/7   5 boys and 10 girls will complete the work in 7 days.

Q: Which color has the highest frequency? 1014 0

  • 1
    Violet
    Correct
    Wrong
  • 2
    Red
    Correct
    Wrong
  • 3
    Indigo
    Correct
    Wrong
  • 4
    Green
    Correct
    Wrong
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Answer : 1. "Violet"
Explanation :

Answer: A) Violet Explanation: In VIBGYOR. It has colors ordered from highest to lowest frequency.                 Violet > Indigo > Blue > Green > Yellow > Orange > Red   That says Violet has the highest frequency. We know, Speed of light = Frequency x Wavelength => As frequeny is inversely proportional to wavelength i.e, as frequwncy goes high wavelength goes down.   So, the violet color has the highest frequency.

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