IIT JEE Practice Question and Answer

Q: 9 men and 12 boys finish a job in 12 days, 12 men and 12 boys finish it in 10 days. 10 men and 10 boys shall finish it in how many days ? 9188 0

  • 1
    15 days
    Correct
    Wrong
  • 2
    11 days
    Correct
    Wrong
  • 3
    14 days
    Correct
    Wrong
  • 4
    12 days
    Correct
    Wrong
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Answer : 4. "12 days"
Explanation :

Answer: D) 12 days Explanation: 9M + 12B ----- 12 days ...........(1)12M + 12B ------- 10 days........(2)10M + 10B -------?108M + 144B = 120M +120B24B = 12M => 1M = 2B............(3) From (1) & (3) 18B + 12B = 30B ---- 12 days 20B + 10B = 30B -----? => 12 days.

Q: Which of the following is a function of inventory? 9059 0

  • 1
    to take advantage of quantity discounts
    Correct
    Wrong
  • 2
    to decouple various parts of the production process
    Correct
    Wrong
  • 3
    to provide a selection of goods for anticipated customer demand and to separate the firm from fluctuations in that demand
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: All the above given statements are functions of Inventory.   Inventory or stock is the goods and materials that a business holds for the ultimate goal of resale. Inventory management is a discipline primarily about specifying the shape and placement of stocked goods. The primary function of inventory is to use marketing and production to increase profitability, to get the maximum amount for the business' investment. There are other functions of inventory, such as balancing supply and demand, improving efficiency, establishing a safety stock and geographical specialization.

Q: How is Radha's mother's mother's daughter-in-law's daughter related to Radha? 9048 0

  • 1
    Sister-in-law
    Correct
    Wrong
  • 2
    Sister
    Correct
    Wrong
  • 3
    Neice
    Correct
    Wrong
  • 4
    Aunt
    Correct
    Wrong
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Answer : 1. "Sister-in-law"
Explanation :

Answer: A) Sister-in-law Explanation: Radha ----> Radha's mother ------> Mother's mother => Radha's Grand-mother.   Radha's Grand-mother's daughter-in-law ------> Radha's Aunt -----> Radha's Aunt's daughter => Radha's sister-in-law.

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Answer : 4. "5"
Explanation :

Answer: D) 5 Explanation: If Vijay gives 'x' marbles to Ajay then Vijay and Ajay would have V - x and A + x marbles.V - x = A + x --- (1)If Ajay gives 2x marbles to Vijay then Ajay and Vijay would have A - 2x and V + 2x marbles.V + 2x - (A - 2x) = 30 => V - A + 4x = 30 --- (2)From (1) we have V - A = 2xSubstituting V - A = 2x in (2)6x = 30 => x = 5.

Q: In a pot, there is a mixture of milk and water in the ratio 4 : 5. If it is filled with an additional 8 litres of milk, the pot would be full and ratio of milk and water would become 6 : 5. Find the capacity of the pot ? 8913 0

  • 1
    11 lit
    Correct
    Wrong
  • 2
    22 lit
    Correct
    Wrong
  • 3
    33 lit
    Correct
    Wrong
  • 4
    44 lit
    Correct
    Wrong
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Answer : 2. "22 lit"
Explanation :

Answer: B) 22 lit Explanation: Let the capacity of the pot be 'P' litres.Quantity of milk in the mixture before adding milk = 4/9 (P - 8)After adding milk, quantity of milk in the mixture = 6/11 P.6P/11 - 8 = 4/9(P - 8)10P = 792 - 352 => P = 44. The capacity of the pot is 44 liters.

Q: Find the wrong number in the given number series? 10, 21, 54, 109, 189 8887 0

  • 1
    189
    Correct
    Wrong
  • 2
    109
    Correct
    Wrong
  • 3
    54
    Correct
    Wrong
  • 4
    21
    Correct
    Wrong
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Answer : 1. "189"
Explanation :

Answer: A) 189 Explanation: The given number series is 10, 21, 54, 109, 189 The series follows a pattern that 10 + 11 = 21 21 + 33 = 54 54 + 55 = 109 109 + 77 = 186   Hence the wrong number in the given number series is 189.

Q: How long are professional Golf Tour Players allotted per shot? 8856 0

  • 1
    22 seconds
    Correct
    Wrong
  • 2
    36 seconds
    Correct
    Wrong
  • 3
    41 seconds
    Correct
    Wrong
  • 4
    45 seconds
    Correct
    Wrong
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Answer : 4. "45 seconds"
Explanation :

Answer: D) 45 seconds Explanation: Professional Golf Tour Players were allotted 45 seconds per shot.

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Answer : 2. "Two"
Explanation :

Answer: B) Two Explanation: Above is the table obtained from the given information in the passage. There are two people (B & G) live between the floors on which D and the one having a car Bedford.

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