IMO Level 1 Mathematics Olympiad (SOF) Class 7: Questions 459  464 of 1022
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Question number: 459
Question
Radhika can cook food for 5 persons in 45 minutes. Then how much time she will take to cook for 15 persons?
Choices
Choice (4)  Response  

a.  1 hr 45 min 

b.  1 hr 35 min 

c.  2 hrs 15 min 

d.  2 hrs 45 min 

Question number: 460
Question
Equal sums of Rs. 8600 were lent to Gargi and Margi at 4 % per annum for a period of 7 years and 8 years respectively. Find the difference of the interest paid by Megha and Priya.
Choices
Choice (4)  Response  

a.  Rs. 240 

b.  Rs. 254 

c.  Rs. 344 

d.  Rs. 557 

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. 

