The salaries of A, B and C are in the ratio 1 : 3 : 4. If the salaries are increased by 5%, 10% and 15% respectively, then the increased salaries will be in the ratio…

20 : 66 : 95 | ||

21 : 66 : 95 | ||

21 : 66 : 92 | ||

19 : 66 : 92 |

If A and B are in the ratio 3 : 4, and B and C in the ratio 12 : 13, then A and C will be in the ratio….

3 :13 | ||

9 : 13 | ||

36 :13 | ||

13 : 9 |

The difference of two numbers is 15% of their sum. The ratio of the larger number to the smaller number is….

23 : 17 | ||

11 : 9 | ||

17 : 11 | ||

23: 11 |

A started a business with a capital of Rs 1,00,000. One year later, B joined him with a capital of Rs 2,00,000. At the end of 3 years from the start of the business, the profit earned was 84,000. The share of B in the profit exceeded the share of A by….

Rs 10,000 | ||

Rs 12,000 | ||

Rs 14,000 | ||

Rs 15,000 |

The number of students in 3 classes are in the ratio 2 : 3 : 4. If 12 students are increased in each class, this ratio changes to 8 : 11 : 14. The total number of students in the three classes in the beginning was….

162 | ||

108 | ||

96 | ||

54 |

What must be added to each term of the ratio 7: 11, so as to make it equal to 3 : 4?

8 | ||

7.5 | ||

6.5 | ||

5 |

The total marks obtained by Arun in English and Mathematics are 170. If the difference between his marks in these two subjects is 10, then the ratio of his marks in these subjects is….

7 : 8 | ||

8 : 7 | ||

9 : 8 | ||

9 : 7 |

a : b = c : d, then (ma + nc)/(mb + nd) is equal to….

A/b | ||

C/d | ||

(a+c)/(b+d) | ||

(c-a)/(b-d) |

The average mathematics marks of two Sections A and B of Class IX in the annual examination is 74. The average marks of Section A is 77.5 and that of Section B is 70. The ratio of the number of students of Section A and B…

7 : 8 | ||

7 : 5 | ||

8 : 7 | ||

8 : 5 |

The ratio of the present ages of Rahul and Rashmi is 2 : 1. The ratio of their ages after 30 years will be 7 : 6. What is the present age of Rahul?

6 years | ||

10 years | ||

12 years | ||

20 years |