IMO Mathematics Olympiad Class 9: Questions 620  625 of 919
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 919 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 450.00 or
Question number: 620
» Linear Equations in Two Variables
Question
Rakesh has dollars more than Mohan has, and together they have a total of dollars. Which of the following represented the number of dollars than Mohan has?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 621
» Introduction to Euclid's Geometry
Question
In the figure , and , if , what is the length of ?
Choices
Choice (4)  Response  

a.  1 

b.  2 

c.  3 

d.  4 

Question number: 622
Question
Two dice are thrown simultaneously. The probability of getting a multiple of 2 on one die and a multiple of 3 on the other is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 623
Question
The age of Sandhya’s father is 5 times of his age. If 6 years ago, father’s age was 8 times of the age of his son at that time. What is Sandhya’s father present age?
Choices
Choice (4)  Response  

a.  75 years 

b.  70 years 

c.  56 years 

d.  41 years 

Question number: 624
Question
Give the equations of two lines passing through . How many more such lines are there?
Choices
Choice (4)  Response  

a.  Exactly three 

b.  Infinitely many 

c.  Only one 

d.  Exactly Two 

Question number: 625
Question
The following observations have been arranged in the ascending order. If the median of the data 13, 26, 32, 37, x + 2, x + 4, 62, 68, 74, 85 is 43, then the value of x is ________
Choices
Choice (4)  Response  

a.  44 

b.  42 

c.  40 

d.  46 
