Question

the per kg rate of wheat was increased by 5 more than twice the rate of rice. If the shopkeeper charges Rs. 125 for 1 kg of wheat and 1 Kg rice, then find per kg cost of wheat. (1) Rs. 40 (2) Rs. 85. (3) Rs. 52 (4) Rs. 30​

Answer 1

Answer:

Old price=Rs 26 per Kg.

New price=Rs 30 per Kg.

Increase in price =Rs 4 per Kg.

Increased percentage =

26

4

×100=

13

200

%

Now, reduction in consumption, so as to keep the expenditure fixed,

According to formula, (

100+a

a

)×100

wher a=

13

200

100+

13

200

13

200

×100=13.33%