Mental Ability (NCO Cyber Olympiad Class 7): Questions 130  134 of 205
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Question number: 130
» Mental Ability » Basic Arithmetic
Question
Choices
Choice (4)  Response  

a.  2190 

b.  19418 

c.  5012.5 

d.  19578 

Question number: 131
» Mental Ability » Basic Statistics
Question
Which of the following options are correct?
1. Every integer is a rational number and every fraction is a rational number
2. A rational number is positive if p and q are either both positive and both negative.
3. A rational number is negative if one of p and q is positive and the other is negative.
4. If there are two rational numbers with common denominator then the one with the larger numerator is larger than the other.
Choices
Choice (4)  Response  

a.  Statement 1 is incorrect 

b.  Statements 2 and 3 are incorrect 

c.  Statements 1 and 4 and incorrect 

d.  None of the above 

Question number: 132
» Mental Ability » Basic Arithmetic
Question
A, B, C subscribe Rs. 60, 000 for a business. A subscribes Rs. 4000 more than B and B Rs. 3000 more than C. Then C’s share is________.
Choices
Choice (4)  Response  

a.  Rs. 8400 

b.  Rs. 11, 900 

c.  Rs. 13, 600.50 

d.  Rs. 16, 666.66 

Question number: 133
» Mental Ability » Basic Arithmetic
Question
A train 200 m long is running at a speed of In what time will it pass a bridge 100 m long?
Choices
Choice (4)  Response  

a.  45.55 sec 

b.  43.5 sec 

c.  42.30 sec 

d.  40.13 sec 

Question number: 134
» Mental Ability » Basic Arithmetic
Question
If each side of a cube is tripled, its volume
Choices
Choice (4)  Response  

a.  Becomes 27 times 

b.  Becomes 6 times 

c.  Is doubled 

d.  Becomes 4 times 
