In a grocery shop box A contains tea worth Rs.300 pr kg and box B contains tea worth Rs.400 pr kg. If both box A and B are mixed in the ratio 5 : 6 then the price of mixture pr kg is approximately:

Question

Question

Answer 1

Given:

Cost of 1 kg tea of box A (cheaper) = Rs.300

Cost of 1 kg tea of box B (dearer) = Rs.400

Formula used:

Rule of alligation

Calculation:

Let the mean price be Rs. X

F1 kartikey Ravi 26.04.21 D1

So, (Cheaper quantity) : (Dearer quantity) = (d- m) : (m - c) = (400 - X) : (X - 300)

According to question,

Given ratio = 5/6

So, 5/6 = (400 - X)/(X- 300)

⇒ 11x = 3,900

⇒ x = 354.54 ≈ 355

∴ The price of mixture of 1 kg tea is Rs.355