IMO Mathematics Olympiad Class 7: Questions 176  181 of 1012
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Question number: 176
Question
Purvi had 65 currency notes in all, some of which were of Rs. 50 denomination and the remaining of Rs. 100 denomination. The total amount of these currency notes was Rs. 6000. how much amount did he have in the denomination of Rs. 100?
Choices
Choice (4)  Response  

a.  Rs. 7725 

b.  Rs. 7800 

c.  Rs. 7500 

d.  Rs. 5500 

Question number: 177
Question
If two supplementary angles differ by , then one of the angle is ________.
Choices
Choice (4)  Response  

a. 


b.  62° 

c. 


d.  Both a. and b. are correct 

Question number: 178
Question
If two supplementary angles differ by , then one of the angle is ________.
Choices
Choice (4)  Response  

a.  128° 

b. 


c. 


d. 


Question number: 179
Question
If two supplementary angles differ by , then one of the angle is ________.
Choices
Choice (4)  Response  

a.  105° 

b.  115° 

c. 


d. 


Question number: 180
Question
In a group of animal and birds, in addition to 15 dogs there are 9 cows and 4 peacocks with some parrot. If the total number of feet be 86 more than the number of heads, Find the number of parrots.
Choices
Choice (4)  Response  

a.  10 

b.  20 

c.  12 

d.  23 

Question number: 181
Question
John was asked to multiply a number by 14. He instead multiplied the number by 41 and got the answer 378 more than the correct answer. The number to be multiplied was ________.
Choices
Choice (4)  Response  

a.  42 

b.  14 

c.  12 

d.  15 
