IMO Level 1 Mathematics Olympiad (SOF) Class 7: Questions 471  476 of 1022
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Question number: 471
Question
Jenny uses 36 beads to make 4 bracelets. How many of the same type of bracelets can Jenny make with 180 beads?
Choices
Choice (4)  Response  

a.  972 

b.  27 

c.  20 

d.  432 

Question number: 472
Question
Ruhi and her father both had birthdays next week. The sum of their ages will be 70 years. Her father’s age is 1.5 times Ruhi’s age. What is her father’s age?
Choices
Choice (4)  Response  

a.  35 years 

b.  55 years 

c.  45 years 

d.  30 years 

Question number: 473
Question
Sharad has a total of Rs. 60,000. He spends 10 % of his money on clothes and from remaining he spends 15 % of money on tuition fees. How many total rupees does he spend?
Choices
Choice (4)  Response  

a.  Rs. 14000 

b.  Rs. 14100 

c.  Rs. 15100 

d.  Rs. 15200 

Question number: 474
Question
Two equal containers are filled with a mixture of sunfloweroil and fortuneoil. The concentration of sunfloweroil in each of the containers is 10 % and 15 % respectively. What is ratio of fortuneoil in both the containers respectively?
Choices
Choice (4)  Response  

a.  18: 17 

b.  5: 6 

c.  17: 18 

d.  6: 5 

Question number: 475
Question
By selling a shirt for Rs. 285 a shopkeeper loses 5%. At what price should he sell the shirt so as to gain 15%?
Choices
Choice (4)  Response  

a.  Rs. 345 

b.  Rs. 300 

c.  Rs. 325 

d.  Rs. 295 

Question number: 476
Question
A diver was diving 80 meters below sea level. He went down 50 meters more and came up 40 meters. How far below sea level did he dives?
Choices
Choice (4)  Response  

a.  meters 

b.  meters 

c.  meters 

d.  meters 
