Mental AbilityBasic Arithmetic (NCO Cyber Olympiad Class 6): Questions 124  128 of 268
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Question number: 124
» Mental Ability » Basic Arithmetic
Question
A bricklayer is making a design on the footpath. The footpath is 10 bricks wide. The bricklayer puts down 2 rows of white bricks, 3 row of green bricks, 2 rows of white bricks, and so on. If he needs to put down 50 rows of bricks, how many white bricks will he need?
Choices
Choice (4)  Response  

a.  700 

b.  100 

c.  200 

d.  400 

Question number: 125
» Mental Ability » Basic Arithmetic
Question
The recipe for Raju’s famous chocolate chip cookies calls for cup of chocolate chips. Raju wants to triple the recipe. What is
Choices
Choice (4)  Response  

a. 


b. 


c.  2 

d.  3 

Question number: 126
» Mental Ability » Basic Arithmetic
Question
Karan collected 2 less than twice the number of cans Chandan collected for recycling. If c represents the number of cans Chandan collected, what is an expression for the number of cans collected by Karan?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 127
» Mental Ability » Basic Arithmetic
Question
Which number is a multiple of 5?
Choices
Choice (4)  Response  

a.  63 

b.  14 

c.  65 

d.  39 

Question number: 128
» Mental Ability » Basic Arithmetic
Question
A bricklayer is making a design on the sidewalk. The sidewalk is 12 bricks wide. The bricklayer puts down 3 rows of red bricks, 1 row of white bricks, 3 rows of red bricks, and so on. If he needs to put down 100 rows of bricks, how many white bricks will he need?
Choices
Choice (4)  Response  

a.  900 

b.  300 

c.  120 

d.  240 
