CBSE Class XII Maths Question Bank

Central Board of Secondary Education [CBSE] Class 12th Maths Question Bank With Answer Key

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CBSE Class XII Maths Sample Questions

Case Study :
Sherlin and Danju are playing Ludo at home during Covid-19. While rolling the dice, Sherlin’s sister Raji observed and noted the possible outcomes of the throw every time belongs to set {1,2,3,4,5,6}. Let A be the set of players while B be the set of all possible outcomes

A = {S, D}, B = {1,2,3,4,5,6}

Let R be a relation on B defined by R = {(1,2), (2,2), (1,3), (3,4), (3,1), (4,3), (5,5)}. Then R is
a. Symmetric
b. Reflexive
c. Transitive
d. None of these three

Case Study :
Students of Grade 9, planned to plant saplings along straight lines, parallel to each other to one side of the playground ensuring that they had enough play area. Let us assume that they planted one of the rows of the saplings along the line ?? = ?? – 4. Let L be the set of all lines which are parallel on the ground and R be a relation on L.

Let R = {(L 1 , L 2 ) : L 1 is parallel to L 2 and L 1 : y = x – 4} then which of the following can be taken as L 2 ?
a. 2x-2y+5=0
b. 2x+y=5
c. 2x + 2y + 7 =0
d. x+y=7

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

Market Products (in numbers)
Pencil Eraser Sharpener
A 10,000 2000 18,000
B 6000 20,000 8,000

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

Based on the above information answer the following:
1. Total revenue of market A
a. Rs. 64,000
b. Rs. 60,400
c. Rs. 46,000
d. Rs. 40600

2. Total revenue of market B
a. Rs. 35,000
b. Rs. 53,000
c. Rs. 50,300
d. Rs. 30,500

3. Cost incurred in market A
a. Rs. 13,000
b. Rs.30,100
c. Rs. 10,300
d. Rs. 31,000

4. Profit in market A and B respectively are
a. (Rs. 15,000, Rs. 17,000)
b. (Rs. 17,000, Rs. 15,000)
c. (Rs. 51,000, Rs. 71,000)
d. ( Rs. 10,000, Rs. 20,000)

5. Gross profit in both market
a. Rs.23,000
b. Rs. 20,300
c. Rs. 32,000
d. Rs. 30,200

Download CBSE Class XII Maths Previous Year Sample Question Papers Here

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