IMO Level 1 Mathematics Olympiad (SOF) Class 7: Questions 461  465 of 1022
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Question number: 461
Question
Mihika and her grandmother both had birthdays last month. The sum of their ages is 150 years. Her grandmother’s age is 5 times Mihika’s age. How old is Mihika?
Choices
Choice (4)  Response  

a.  15 years  
b.  22 years  
c.  25 years  
d.  30 years 
Question number: 462
Question
Six bells commence tolling together and toll at intervals of 2,4, 6,8, 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together?
Choices
Choice (4)  Response  

a.  10  
b.  16  
c.  4  
d.  15 
Question number: 463
Question
When Sarvesh travelled 33 km he found that of the entire journey was still left. The length of the total journey is
Choices
Choice (4)  Response  

a.  100 km  
b.  132 km  
c.  99 km  
d.  66 km 
Question number: 464
Question
James earned some money. He spent of money on grocery and of money on monthly milk. Which of the following fractions represents the part of money he did not spend?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 465
Question
Mr. Shyamal has a total of Rs. 45,000. He spends 40 % of his money on coloring his house for festivals. How many rupees does he spend on coloring his house?
Choices
Choice (4)  Response  

a.  Rs. 18000  
b.  Rs. 15000  
c.  Rs. 18500  
d.  Rs. 14500 