A) 1:2 | B) 2:1 |

C) 11:24 | D) 36:121 |

Explanation:

**Compounded Ratio ::** When we compound two or more ratio's with each other through product or multiplication, the result is simply a compound ratio.

Thus, the product of two or more ratios; i.e, **ab:cd** is a ratio compounded of the simple ratios **a:c **and** b:d.**

Required compounded ratio = (2/3** x** 6/11 **x** 11/2) = **2/1. **

A) 3:4:6 | B) 6:4:3 |

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

A) 14:17 | B) 17:19 |

C) 11:12 | D) 10:11 |

A) 3 : 10 | B) 3 : 20 |

C) 7 : 20 | D) 7 : 10 |

A) Rs. 10, Rs. 35, Rs. 40 | B) Rs. 15, Rs. 30, Rs. 35 |

C) Rs. 15, Rs. 35, Rs.30 | D) Rs. 10, Rs. 40, Rs. 35 |

Explanation:

3/16 X 80, 6/16 X 80, 7/16 X 80

⇒ 15, 30, 35

A) 1:2 | B) 2:3 |

C) 3:4 | D) 3:5 |

Explanation:

Let the ratio be x : y

Total boys = 16.4 X x

Total girls = 15.4 X y

Total number of students in class = 16.4x + 15.4y

The average age of all students is 15.8

The total age of boys is 15.8x

The total age of girls is 15.8y

16.4x + 15.4y = 15.8x + 15.8y

0.6 x = 0.4 y

x/y = 0.4/0.6 = 2/3

A) Rs. 182 | B) Rs. 204 |

C) Rs. 190 | D) Rs. 196 |