Question

Three chairs and two tables cost Rs. 1850. Five chairs and three tables cost Rs. 2850. Then the
total cost of one chair and one table is -
(A) Rs. 800
(B) Rs. 850
(C) Rs. 900
(D) Rs. 950​

Answer 1

Answer:

B

Step-by-step explanation:

Let Chairs be 'Ç' and tables be 'T'.

3C + 2T = 1850  ---- (i)

5C + 3T = 2850 ------ (ii)

Multiply (ii) by 2 and (i) by 3 and then subtract (i) from (ii)

10C + 6T =   5700

9C + 6T =    5550

-      -           -

----------------------------------

=> C = 150

Substitute value of C in any one equation to get T.

3 * 150 + 2T = 1850

=> 2T = 1850 - 450

=> 2T = 1400

=> T = 700.

Thus cost of 1 Table and 1 Chair = 700 + 150 = 850.

Answer 2

Answer:

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