IIT JEE Practice Question and Answer

Q: Which liquid is the most viscous? 955 0

  • 1
    Water
    Correct
    Wrong
  • 2
    Diesel
    Correct
    Wrong
  • 3
    Milk
    Correct
    Wrong
  • 4
    Oil
    Correct
    Wrong
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Answer : 4. "Oil"
Explanation :

Answer: D) Oil Explanation: Here Oil is the most viscous liquid. The liquid with the most intermolecular force is high viscous. viscosity is how smoothly a liquid flows and how hardly the liquid flows it is highly viscous.

Q: Name an eminent cartoonist who created the comic book character like Chacha Chaudary and Sabu who died in 2014 ? 954 0

  • 1
    Angela Nemeth
    Correct
    Wrong
  • 2
    Pran Kumar Sharma
    Correct
    Wrong
  • 3
    Madhukar Singh
    Correct
    Wrong
  • 4
    DP Yadav
    Correct
    Wrong
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Answer : 2. "Pran Kumar Sharma"
Explanation :

Answer: B) Pran Kumar Sharma Explanation:

Q: Which is first city in the world to get its own Microsoft font in 2017 ? 954 0

  • 1
    India
    Correct
    Wrong
  • 2
    Iran
    Correct
    Wrong
  • 3
    Dubai
    Correct
    Wrong
  • 4
    Iraq
    Correct
    Wrong
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Answer : 3. "Dubai"
Explanation :

Answer: C) Dubai Explanation: Dubai has become the first city in the world to get its own Microsoft font. ii. Sheikh Hamdan bin Mohammed bin Rashid Al Maktoum, Dubai's Crown Prince and Chairman of the Executive Council, launched the Dubai Font recently. iii. The font, available in three styles as 'Dubai', 'Dubai Medium' and 'Dubai Light', can be in italics, underlined and bold.

Q: In How many ways can the letters of the word 'CAPITAL' be arranged in such a way that all the vowels always come together? 954 0

  • 1
    360
    Correct
    Wrong
  • 2
    720
    Correct
    Wrong
  • 3
    120
    Correct
    Wrong
  • 4
    840
    Correct
    Wrong
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Answer : 1. "360"
Explanation :

Answer: A) 360 Explanation: CAPITAL = 7   Vowels = 3 (A, I, A)   Consonants = (C, P, T, L)   5 letters which can be arranged in  5P5=5!   Vowels A,I = 3!2!   No.of arrangements = 5! x 3!2!=360

Q: What value will come in place of question mark (?) in following number series? 12, 16, 32, 68, ? 954 0

  • 1
    198
    Correct
    Wrong
  • 2
    164
    Correct
    Wrong
  • 3
    132
    Correct
    Wrong
  • 4
    118
    Correct
    Wrong
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Answer : 3. "132"
Explanation :

Answer: C) 132 Explanation: Given series is    12        16         32          68         ?   Here it follows a pattern that,   12   12 + (2x2) = 16   16 + (4x4) = 32   32 + (6x6) = 68   68 + (8x8) = 132

Q: A man has only 20-paise and 25-paise coins in a bag. If he has 50 coins in all totaling to Rs.10.25, then the number of 20-paise coins is 952 0

  • 1
    42
    Correct
    Wrong
  • 2
    45
    Correct
    Wrong
  • 3
    38
    Correct
    Wrong
  • 4
    36
    Correct
    Wrong
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Answer : 2. "45"
Explanation :

Answer: B) 45 Explanation: Let number of 20 ps coins = x and number of 25 ps coins = y Given total coins in the bag = 50 x + y = 50.......(1) But the total money in the bag = Rs. 10.25 0.20x + 0.25y = 10.25 20x + 25y = 1025.........(2) Now multiplying (1) by 25 we get 25x+25y=1250.............(3) By solving (2) and (3) 20x + 25y = 1025; => x = 45; Then, the no. of 20 ps coins are 45.

Q: What one word has the most letters in it? 952 0

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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: A, B and C started a business where their initial capital was in the ratio of 2:3:4. At the end of 6 months, A invested an amount such that his total capital became equal to C's initial capital investment. If the annual profit of B is Rs. 3000 then what is the total profit  ? 950 0

  • 1
    Rs. 8,640
    Correct
    Wrong
  • 2
    Rs. 9,850
    Correct
    Wrong
  • 3
    Rs. 10,000
    Correct
    Wrong
  • 4
    Rs. 11,220
    Correct
    Wrong
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Answer : 3. "Rs. 10,000"
Explanation :

Answer: C) Rs. 10,000 Explanation: Ratio of investments of A, B & C = 2×6+4×6 : 3×12 : 4×12 = 36 : 36 : 48 = 6 : 6 : 8 But given that the annual profit of B is Rs. 3000 => 6 ratio = 3000 Then for the total annual profit of partners is 20 ratio = 3000 x 20/6 = 10,000.

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