IMO Level 1 Mathematics Olympiad (SOF) Class 7: Questions 177  183 of 1022
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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. 


b. 


c. 


d.  128° 

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

a. 


b. 


c.  115° 

d.  105° 

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.  12 

b.  20 

c.  23 

d.  10 

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.  15 

c.  12 

d.  14 

Question number: 182
Question
Ravi has to secure marks to pass. He got 68 marks and failed by 44 marks. The maximum marks are ________.
Choices
Choice (4)  Response  

a.  250 

b.  200 

c.  450 

d.  300 

Question number: 183
Question
In two digit number, ten’s digit is twice the unit’s digit. The number formed by interchanging the digits is 36 less than the original number. The original number is ________
Choices
Choice (4)  Response  

a.  48 

b.  70 

c.  72 

d.  84 
