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Matrices Test -...

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  • Question 1
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    Read the following text and answer the following questions from (1 - 5) on the basis of the same:

    A manufacture produces three stationery products Pencil, Eraser and Sharpener which he sells in two markets. Annual sales are indicated below

    If the unit Sale price of Pencil, Eraser and Sharpener are ₹2.50, ₹1.50 and ₹1.00 respectively, and unit cost of the above three commodities are ₹2.00, ₹1.00 and ₹0.50 respectively, then,

    Total revenue of market A

  • Question 2
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    Total revenue of market B

  • Question 3
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    Cost incurred in market A

  • Question 4
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    Profits in market A and B respectively are

  • Question 5
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    Gross profit in both markets

  • Question 6
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    Direction: Read the following text and answer the following questions from (6 - 10) on the basis of the same:

    Amit, Biraj and Chirag were given the task of creating a square matrix of order 2.

    Below are the matrices created by them. A, B, C are the matrices created by Amit, Biraj and Chirag respectively.

    If a = 4 and b = −2,

    Sum of the matrices A, B and C, A+(B + C) is

  • Question 7
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    (AT )T is equal to

  • Question 8
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    (bA)T is equal to

  • Question 9
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    AC − BC is equal to

  • Question 10
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    (a + b)B is equal to

  • Question 11
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    Direction: Read the following text and answer the following questions from (11 - 15) on the basis of the same:

    Three schools DPS, CVC and KVS decided to organize a fair for collecting money for helping the flood victims. They sold handmade fans, mats and plates from recycled material at a cost of ₹25, ₹100 and ₹50 each respectively. The numbers of articles sold are given as

    What is the total money (in Rupees) collected by the school DPS?

  • Question 12
    1 / -0.25

    Three schools DPS, CVC and KVS decided to organize a fair for collecting money for helping the flood victims. They sold handmade fans, mats and plates from recycled material at a cost of Rs. 25, Rs.100 and Rs. 50 each respectively. The numbers of articles sold are given as

    What is the total amount of money (in ₹) collected by schools CVC and KVS?

  • Question 13
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    What is the total amount of money collected by all three schools DPS, CVC and KVS?

  • Question 14
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    If the number of handmade fans and plates are interchanged for all the schools, then what is the total money collected by all schools?

  • Question 15
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    How many articles (in total) are sold by three schools?

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