IIT JEE Practice Question and Answer

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Answer :
Explanation :

Day               Play Monday        No playTuesday           PWednesday       SThursday          RFriday              QSaturday          T Answers : From the above table : 1) On Friday play Q was organised. 2) On Monday Noplay  was organised. 3)  On Thursday Play R was organised.

Q: Warm is to Hot as Not so Good is to 4402 0

  • 1
    Average
    Correct
    Wrong
  • 2
    Fair
    Correct
    Wrong
  • 3
    Not so bad
    Correct
    Wrong
  • 4
    Worse
    Correct
    Wrong
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Answer : 4. "Worse"
Explanation :

Answer: D) Worse Explanation: Warm and hot are in the same meaning sense , so not so good is same as worse in meaning.

Q: The largest measuring cylinder that can accurately fill 3 tanks of capacity 98, 182 and 266 litres each, is of capacity ? 4394 0

  • 1
    7 lts
    Correct
    Wrong
  • 2
    14 lts
    Correct
    Wrong
  • 3
    98 lts
    Correct
    Wrong
  • 4
    42 lts
    Correct
    Wrong
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Answer : 2. "14 lts"
Explanation :

Answer: B) 14 lts Explanation: To know the the measuring cylinder that can fill all the given capacities , they must be divisible by the required number. 98,182,266 all are divisible by 14 So  14 litres  is the largest cylinder that can fill all the given cylinders.                                        (or) The other method is take HCF of all given capacities i.e 98, 182 and 266.

Q: Iodine test is used to detect 4381 0

  • 1
    Carbohydrate
    Correct
    Wrong
  • 2
    Fat
    Correct
    Wrong
  • 3
    Protein
    Correct
    Wrong
  • 4
    Cholesterol
    Correct
    Wrong
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Answer : 1. "Carbohydrate"
Explanation :

Answer: A) Carbohydrate Explanation: The iodine test is used to test for the presence of starch i.e, Carbohydrate.

Q: Correct underlined words if necessary in the following sentence ? Have you been more careful, the accident could have been averted. 4381 0

  • 1
    Have you been
    Correct
    Wrong
  • 2
    If you have been
    Correct
    Wrong
  • 3
    Had you been
    Correct
    Wrong
  • 4
    If you could have been
    Correct
    Wrong
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Answer : 3. "Had you been"
Explanation :

Answer: C) Had you been Explanation: As the sentence talks about the past it is apt to say. 'Had you been more careful ...'.

Q: Find the missing alphabet in the given sequence ? A, Z, Y, B, C, ?, W, D 4364 0

  • 1
    E
    Correct
    Wrong
  • 2
    Z
    Correct
    Wrong
  • 3
    X
    Correct
    Wrong
  • 4
    F
    Correct
    Wrong
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Answer : 3. "X"
Explanation :

Answer: C) X Explanation: first letter A with last letter Zsimilarly 2nd last letter Y with 2nd letter BNow 3rd letter C with 3rd last letter X4th last letter W with 4th letter D and so on.... Therefore the missing letter is X

Q: Which region specializes in diamonds? 4356 0

  • 1
    Sub-Saharan Africa
    Correct
    Wrong
  • 2
    Central america
    Correct
    Wrong
  • 3
    Middle east Europe
    Correct
    Wrong
  • 4
    South America
    Correct
    Wrong
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Answer : 1. "Sub-Saharan Africa"
Explanation :

Answer: A) Sub-Saharan Africa Explanation:

Q: If        9 = 63              8 = 48             7 = 35  Then   4 = ? 4345 0

  • 1
    4
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    16
    Correct
    Wrong
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Answer : 2. "8"
Explanation :

Answer: B) 8 Explanation: Here given that 9 = 63, 8 = 48, 7=35, ...    The given question follows a pattern that 9 x (9 - 2) = 9 x 7 = 63 8 x (8 - 2) = 8 x 6 = 48 7 x (7 - 2) = 7 x 5 = 35   Similarly, 4 x (4 - 2) = 4 x 2 = 8.

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