IMO Mathematics Olympiad Class 7: Questions 222  228 of 1012
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Question number: 222
Question
The number of girls in a class is 4 times the number of boys. Which of the following cannot be the total number of children in the class?
Choices
Choice (4)  Response  

a.  25 

b.  17 

c.  35 

d.  105 

Question number: 223
Question
Onethird of Rajani’s marks in Mathematics exceeds a half of his marks in English by 30. If he got 120 marks in the two subjects together, how many marks did he get in English?
Choices
Choice (4)  Response  

a.  42 

b.  84 

c.  36 

d.  78 

Question number: 224
Question
The average of and is . The value of Y is ________
Choices
Choice (4)  Response  

a.  21 

b.  23 

c.  15 

d.  20 

Question number: 225
Question
If of a number is 108, What is of the same number?
Choices
Choice (4)  Response  

a.  28 

b.  18 

c.  15 

d.  23 

Question number: 226
Question
The total cost of three tables is Rs. 2350. If the prize of first table is of the second table and the prize of third table is of the second table, then the prize of first table is ________.
Choices
Choice (4)  Response  

a.  Rs. 1567 

b.  Rs. 1560 

c.  Rs. 1050 

d.  Rs. 2350 

Question number: 227
Question
142 is divided into two parts such that one and half of one part may exceed one –fifth of the other part by 15, then the smaller part is ________.
Choices
Choice (4)  Response  

a.  114 

b.  80 

c.  102 

d.  62 

Question number: 228
Question
A student has to secure marks to pass. He got 110 marks and failed by 70 marks. The maximum marks are ________.
Choices
Choice (4)  Response  

a.  350 

b.  440 

c.  270 

d.  400 
