Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 8]: Questions 22  24 of 1201
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Question 22
Mathematics
Question
MCQ▾X and Y together can do a piece of work in 12 days, which X alone can do in 15 days. In how many days can T do the same work alone?
Choices
Choice (4)  Response  

a.  60 days  
b.  35 days  
c.  45 days  
d.  30 days 
Question 23
Mathematics
Question
MCQ▾In a trapezium LMNO, MN is parallel to LO and the diagonals intersect each other at A. In this case, the ratio AL/AN is equal to:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 24
Mathematics
Question
MCQ▾ABCD and PQRS are quadrilaterals as shown in the below figure. Then
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  All of the above 