Q:

A) Rs. 19.50 | B) Rs. 19 |

C) Rs. 18 | D) Rs. 18.50 |

Answer: C) Rs. 18

Explanation:

Explanation:

Let the price of the mixed variety be Rs. x per kg. By the rule of alligation, we have :

Cost of 1 kg of type 1 rice Cost of 1 kg of type 2 rice

(20-x)/(x-15) = 2/3 60 - 3x = 2x - 30

5x = 90 x = 18.

Q:

A) 24.52 litres | B) 29.63 litres |

C) 28.21 litres | D) 25.14 litres |

Answer & Explanation
Answer: B) 29.63 litres

Explanation:

Explanation:

Given that container has 50 litres of milk.

After replacing 8 litres of milk with water for three times, milk contained in the container is:

= 29.63 litres.

5
70

8
515