IMO Level 1 Mathematics Olympiad (SOF) Class 7: Questions 489  494 of 1022
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Question number: 489
Question
I was sitting alone in a park. After a while there came an old man followed by an old lady. They were followed by two couples who were accomplished by a child each. What was the number of total persons present in the park?
Choices
Choice (4)  Response  

a.  11 

b.  10 

c.  8 

d.  9 

Question number: 490
Question
Ishika and her grandfather both had birthdays last week. The sum of their ages is 100 years. Her grandfather’s age is 4 times Ishika’s age. How old is Ishika?
Choices
Choice (4)  Response  

a.  25 years 

b.  22 years 

c.  16 years 

d.  20 years 

Question number: 491
Question
When Krunal travelled 72 km he found that of the entire journey was still left. The length of the total journey is
Choices
Choice (4)  Response  

a.  126 km 

b.  166 km 

c.  130 km 

d.  129 km 

Question number: 492
Question
Sona answered of the questions on her quiz correctly. What percent of the questions did she answer incorrectly?
Choices
Choice (4)  Response  

a.  60% 

b.  45% 

c.  30% 

d.  75% 

Question number: 493
Question
I was sitting alone in a coffee bar. After a while there came my friend and his wife. They were followed by one couple who were their friends. What was the number of total persons present in the coffee bar?
Choices
Choice (4)  Response  

a.  7 

b.  5 

c.  6 

d.  8 

Question number: 494
Question
There are three drums with 1311 liters, 2323 liters and 3151 liters of water. The greatest possible size of the measuring vessel with which we can measure the water of any drum while every time the vessel must be completely filled is ________.
Choices
Choice (4)  Response  

a.  29 

b.  31 

c.  17 

d.  23 
