Ratio and Proportion (IMO Mathematics Olympiad Class 6): Questions 77  80 of 80
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Question number: 77
» Ratio and Proportion
Question
The monthly salary of A, B, C is in the proportion of 2: 3: 5. If C’s monthly salary is Rs. 1200 more than that of A, then B’s annual salary is
Choices
Choice (4)  Response  

a.  Rs. 14400 

b.  Rs. 2000 

c.  Rs. 24000 

d.  Rs. 1200 

Question number: 78
» Ratio and Proportion
Question
A certain amount was divided between Mona and Sona in the ratio 5: 7. If Sona’s share was Rs. 3500, then the amount is
Choices
Choice (4)  Response  

a.  Rs. 5500 

b.  Rs. 6000 

c.  Rs. 7600 

d.  All of the above 

Question number: 79
» Ratio and Proportion
Question
In a plate of colors, the ratio of white colors to black colors is 6: 7. If 21 are black colors, then the number of white colors is
Choices
Choice (4)  Response  

a.  14 

b.  12 

c.  27 

d.  18 

Question number: 80
» Ratio and Proportion
Question
Share of A, B and C is ________, if Rs. is divided in .
Choices
Choice (4)  Response  

a.  Rs. 870, Rs. 2300, Rs. 2500 

b.  Rs. 2610, Rs. 870, Rs. 2610 

c.  Rs. 2700, Rs. 870, Rs. 2700 

d.  Rs. 2580, Rs. 830, Rs. 2580 
