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The ages of A and B are in the ratio 9:4. Seven years hence, the ratio of their ages will be 5:3. The age of A is: 

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Important Questions on Numerical Ability

MEDIUM
SSC
IMPORTANT
DDA Stenographer and Patwari Recruitment Exam>Chapter 21 - Numerical Ability>MULTIPLE CHOICE QUESTIONS>Q 5
The ratio between the present ages of X and Y is 4:5. The ratio between the 'present age of X' and 'age of Y 3 years ago' is 7:8. The ratio between the present age of X and age of X after seven years will be:
EASY
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IMPORTANT
DDA Stenographer and Patwari Recruitment Exam>Chapter 21 - Numerical Ability>MULTIPLE CHOICE QUESTIONS>Q 6
The ratio between Rahim's and Karim's ages two years ago was 3 : 2 and at present it is 7 : 5. The present age of Karim is:
EASY
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IMPORTANT
DDA Stenographer and Patwari Recruitment Exam>Chapter 21 - Numerical Ability>MULTIPLE CHOICE QUESTIONS>Q 7
The sum of the ages of Ram and Shyam is 40 years. 5 years hence, the ratio of their ages will be 3 : 7. The age of Ram is:
EASY
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IMPORTANT
DDA Stenographer and Patwari Recruitment Exam>Chapter 21 - Numerical Ability>MULTIPLE CHOICE QUESTIONS>Q 8
The ratio of ages of the mother and her daughter is 12 : 5. The difference in their ages is 28 years. The ratio between the present age of the mother and the age of the daughter 4 years after will be:
EASY
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IMPORTANT
DDA Stenographer and Patwari Recruitment Exam>Chapter 21 - Numerical Ability>MULTIPLE CHOICE QUESTIONS>Q 9
The ratio of the present ages of Mahesh and Dinesh is 7 : 8. If 4 years ago the ratio of their ages be 5 : 6, then present age of Dinesh is:
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DDA Stenographer and Patwari Recruitment Exam>Chapter 21 - Numerical Ability>MULTIPLE CHOICE QUESTIONS>Q 10
Six years back Seema was half that of Rupa in age. Four years hence, the respective ratio of their ages would be 3 : 5. The present age of Rupa is:
EASY
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IMPORTANT
DDA Stenographer and Patwari Recruitment Exam>Chapter 21 - Numerical Ability>MULTIPLE CHOICE QUESTIONS>Q 1
In a mixture of 60 litre, the ratio of ethanol to ether is 4 : 1. The quantity of ether to be added to the mixture to make this ratio 2 : 1 will be:
EASY
SSC
IMPORTANT
DDA Stenographer and Patwari Recruitment Exam>Chapter 21 - Numerical Ability>MULTIPLE CHOICE QUESTIONS>Q 2
The price of a variety of a commodity is Rs.5 per kg and that of another is Rs.8 per kg. The ratio in which two varieties should be mixed so that the price is Rs.7 per kg will be: