IIT JEE Practice Question and Answer

Q: What is the right most integer of the expression 65776759 + 54697467  ? 10470 0

  • 1
    4
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    0
    Correct
    Wrong
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Answer : 3. "9"
Explanation :

Answer: C) 9 Explanation: Last digit for the power of 6 is 6 (always) Power cycle of 7 is 7, 9, 3, 1. Now 467/4 gives a remainder of 3 Then the last digit is 73 = 3 Last digit is 6 + 3 = 9.

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Answer : 2. "&N4 and @E9"
Explanation :

Answer: B) &N4 and @E9 Explanation: plan is given in first step. Total count of letters is 4 and last letter is N and ‘p’ is coded as & so Final answer will be-  &N4 We have to find 'translate' code. As we can see that this word is not given in any steps but as we know the idea of that so we can solve it. Step I: first we will count the letters of that word that is 9, then we put digit 9 at the right end. Step II: we will put the last letter of that word then it will like- E9 Step III: at the last step ‘t’ is coded for ‘@’(first letter of each word is coded by a specific symbol like here ‘t’ is coded for ‘@’. We can find the first coded symbol by looking at the other given words. Answer will be - @E9

Q: Who called Subhash Chandra Bose as Desh Nayak? 10225 0

  • 1
    Rabindranath Tagore
    Correct
    Wrong
  • 2
    Mahatma Gandhi
    Correct
    Wrong
  • 3
    Bal Gangadhar Tilak
    Correct
    Wrong
  • 4
    Lala Lajpat Rai
    Correct
    Wrong
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Answer : 1. "Rabindranath Tagore"
Explanation :

Answer: A) Rabindranath Tagore Explanation: Rabindranath Tagore called Subhash Chandra Bose as Desh Nayak for the first time.

Q: A and B began business with Rs.3000 and Rs.4000 after 8 months, A withdraws Rs.1000 and B advances Rs.1000 more. At the end of the year, their profits amounted to Rs.630 find the share of A ? 10162 0

  • 1
    Rs. 240
    Correct
    Wrong
  • 2
    Rs. 75
    Correct
    Wrong
  • 3
    Rs. 125
    Correct
    Wrong
  • 4
    Rs. 354
    Correct
    Wrong
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Answer : 1. "Rs. 240"
Explanation :

Answer: A) Rs. 240 Explanation: The ratio of A & B investments = (3x8 + 2x4):(4x8 + 5x4) => 8:13 => 8/21 x 630 = 240.

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Answer : 2. "8 hours"
Explanation :

Answer: B) 8 hours Explanation: Efficiency of Inlet pipe A = 4.16%       10024    Efficiency of Inlet pipe B = 5.83%      1001717     Therefore, Efficiency of A and B together = 100 %      Now, if the efficiency of outlet pipe be x% then in 10 hours the capacity of tank which will be filled = 10 *  (10 - x)   Now, since this amount of water is being emptied by 'C' at x% per hour, then    10x10-xx=2.5 hrs   => x = 8    Therefore, in 10 hours 20% tank is filled only. Hence, the remaining 80% of the  capacity will be filled by pipes A and B  in 80/10 = 8 hours

Q: The flow of information through MIS is 10079 0

  • 1
    organization dependent
    Correct
    Wrong
  • 2
    information dependent
    Correct
    Wrong
  • 3
    management dependent
    Correct
    Wrong
  • 4
    need dependent
    Correct
    Wrong
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Answer : 4. "need dependent"
Explanation :

Answer: D) need dependent Explanation: The flow of information through MIS - Management Information System is Need dependent. The backbone of any organization is Information. The information of MIS comes from both internal and external sources.

Q: Which action is safe for a pwc? 9978 0

  • 1
    towing a skier behind a pwc rated for 3 people with two persons on board
    Correct
    Wrong
  • 2
    shutting off the engine before cleaning debris from the pump intake
    Correct
    Wrong
  • 3
    seating a child to small to hold on the operator in front of the operator
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 3. "seating a child to small to hold on the operator in front of the operator"
Explanation :

Answer: C) seating a child to small to hold on the operator in front of the operator Explanation: Two passengers behind the operator is safe for a PWC.

Q: Which of the following is a function of inventory? 9949 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.

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