**Q8.** 20 litres of the mixture has water and milk in the ratio 3 : 5. If 4 litres of the mixture is to be replaced by 4 litres of milk, then what is the ratio of water to milk in the new mixture?

A. 7 : 3 |
B. 3 : 7 |

C. 4 : 7 |
D. 8 : 3 |

**Q9.** In a school, there are 200 girls and the ratio of the number of girls to boys is 4 : 9. Then how many students are there in the school?

A. 620 |
B. 700 |

C. 650 |
D. 600 |

**Q10.** An amount of Rs. 366 is to be divided among P, Q, and R in such a manner that Q gets two-third as much as P and R together, and P may get half as much as Q and R together. What is the share of P?

A. 130.60 |
B. 122 |

C. 173 |
D. 146.60 |

**Q11.** Seats for Computer Science, Mechanical, and Electronics in a university are in the ratio 7 : 5 : 8. There is a planning to increase these seats by 50%, 40%, and 75% respectively. Find the ratio of increased seats?

A. 6 : 7 : 8 |
B. 8 : 6 : 9 |

C. 3 : 4 : 5 |
D. 3 : 2 : 4 |

**Q12.** An alloy contains iron and nickel in the ratio 8 : 3. Find the quantity of iron required to be melted with 21 kg of nickel?

A. 65 kg |
B. 60 kg |

C. 56 kg |
D. 83 kg |

**Q13.** Divide Rs. 1328 among three boys Suresh, Ramesh, and Ganesh in the ratio 34 : 26 : 23. The sum of Suresh and Ganesh share is

A. Rs. 912 |
B. Rs. 965 |

C. Rs. 821 |
D. Rs. 756 |

**Q14.** A Father has 735 toffees and wants to distribute among his 3 children A, B, and C. If each child had received 25 less toffees, their shares would have been in the ratio 1 : 3 : 2. The number of toffees received by C is

A. 230 |
B. 225 |

C. 200 |
D. 250 |