IIT JEE Practice Question and Answer

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Answer :
Explanation :

They walked and did this. It was never specified that the boat was at sea. Since this logic is observed by them to tackle situation.

Q: In a queue, Amrita is 10th from the front while Mukul is 25th from behind and Mamta is just in the middle of the two. If there be 50 persons in the queue. What position does Mamta occupy from the front ? 3662 0

  • 1
    14th
    Correct
    Wrong
  • 2
    16th
    Correct
    Wrong
  • 3
    18th
    Correct
    Wrong
  • 4
    20th
    Correct
    Wrong
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Answer : 3. "18th"
Explanation :

Answer: C) 18th Explanation: Number of persons between Amrita and Mukul = 50 - (10 + 25) = 15. Since Mamta lies in middle of these 15 persons, so Mamta`s position is 8th from Amrita i.e. 18th from the front.

Q: If NAMO = 172 and OM = 56 ┬аthen, SHIVAY = ? 3660 0

  • 1
    606
    Correct
    Wrong
  • 2
    415
    Correct
    Wrong
  • 3
    504
    Correct
    Wrong
  • 4
    404
    Correct
    Wrong
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Answer : 3. "504"
Explanation :

Answer: C) 504 Explanation: (COUNTING OF LETTERS) NAMO = 14 + 1 + 13 + 15 = 43 x 4 = 172, ┬аOM = 15 + 13 = 28 x 2 = 56, SHIVAY = 19 + 8 + 9 + 22 + 1 + 25 = 84 x 6 = 504

Q: The main function of a school board is to 3657 0

  • 1
    manage public schools in accordance with state and federal law.
    Correct
    Wrong
  • 2
    raise revenue for public schools through local taxes and fees.
    Correct
    Wrong
  • 3
    propose and legislate state laws that affect the public schools.
    Correct
    Wrong
  • 4
    serve as a schoolтАЩs principals, teachers, and administrators.
    Correct
    Wrong
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Answer : 1. "manage public schools in accordance with state and federal law."
Explanation :

Answer: A) manage public schools in accordance with state and federal law. Explanation: The main function of a school board is to┬аmanage public schools in accordance with state and federal law. The functions of the school board of a public school are: тАв to establish strategic direction and priorities for the school. тАв to monitor and review school performance and to report on it to the Director-General, parents of students at the school and staff. тАв to develop, maintain and review curriculum for the school. тАв to develop and review education policies at the school. тАв to establish budgetary policies for the school and approve the school budget. тАв to establish policies for the efficient and effective use of school assets and the management of financial risk. тАв to develop relationships between the school and the community and between the school and community organisations. тАв to make recommendations to the Director-General on issue affecting the school and to give effect to the Director-GeneralтАЩs directions. тАв to encourage parent participation in their childrenтАЩs learning; and тАв to exercise any other function given to the board under this Act or any otherTerritory law.

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Answer : 1. "рд╡рд┐рд╕реНрддрд╛рд░рд┐рдд"
Explanation :

Answer: A) Expanded Explanation:

Q: In a race of 1000 m, A can beat by 100 m, in a race of 800m, B can beat C by 100m. By how many meters will A beat C in a race of 600 m ? 3653 0

  • 1
    127.5 m
    Correct
    Wrong
  • 2
    254 m
    Correct
    Wrong
  • 3
    184 m
    Correct
    Wrong
  • 4
    212 m
    Correct
    Wrong
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Answer : 1. "127.5 m"
Explanation :

Answer: A) 127.5 m Explanation: When A runs 1000 m, B runs 900 m and when B runs 800 m, C runs 700 m. When B runs 900 m, distance that C runs = (900 x 700)/800 = 6300/8 = 787.5 m. In a race of 1000 m, A beats C by (1000 - 787.5) = 212.5 m to C. In a race of 600 m, the number of meters by which A beats C = (600 x 212.5)/1000 = 127.5 m.

Q: In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for ? 3652 0

  • 1
    145
    Correct
    Wrong
  • 2
    165
    Correct
    Wrong
  • 3
    175
    Correct
    Wrong
  • 4
    135
    Correct
    Wrong
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Answer : 3. "175"
Explanation :

Answer: C) 175 Explanation: Given that, ┬аworking days = 5 ┬аworking hours = 8 ┬аA man get rupess per hour is Rs.2.40 ┬аSo in one day the man get total rupees is 2.40 x 8 = 19.2 ┬аSo in 5 days week the man get total rupees is 19.2 x 5 = 96 ┬аSo in 4 week the man get total rupees is 96 x 4 = 384 ┬аSo the man worked for = 160hours in 4 weeks ┬а ┬аBut given that the man earned Rs.432 ┬а ┬аHence remaning money is (432-384 = 48)which is earn by doing overtime work ┬а Overtime hours┬а = 48/3.20 = 15 So total worked hours is = 15 + 160 = 175.

Q: Find the odd one out of the following options. 3650 0

  • 1
    Sapphire
    Correct
    Wrong
  • 2
    Ruby
    Correct
    Wrong
  • 3
    Topaz
    Correct
    Wrong
  • 4
    Granite
    Correct
    Wrong
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Answer : 4. "Granite"
Explanation :

Answer: D) Granite Explanation: Except Granite all other options belong to the group of precious stones.

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