Question

if 3 chairs & a table cost Rs. 900 and 5 chairs & 3 tables cost Rs. 2100 , then the cost

of 5 chairs & a table is ….

(a) Rs. 1000 (b) Rs. 1100 (c) Rs. 1200 (d) Rs. 1300​

Answer 1

Answer:

let chair be C

,,,,,,,,table be T

now case first

3 C + aT =900 eq1

5 C +3c =2100 eq2

substracting Eq 1 From 2 weget

5c -at = 1200

in case of mcq question we can use common trick if 5c -at =1200 then 5c + at is abously 1300

Step-by-step explanation:

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