Mental Ability (NCO Cyber Olympiad Class 7): Questions 155  160 of 205
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Question number: 155
» Mental Ability » Basic Statistics
Question
Match the reciprocal of each of the following in exponential form:ListⅠ  ListⅡ 
(A)
 (i)

(B)
 (ii)

(C)
 (iii) 1 
(D)
 (iv)

Choices
Choice (4)  Response  

 
a. 


b. 


c. 


d. 


Question number: 156
» Mental Ability » Basic Geometry
Question
STU is an isosceles triangle with ST = SU and and SV is an altitude of a triangle STU, then
Choices
Choice (4)  Response  

a. 


b.  25° 

c.  55° 

d. 


Question number: 157
» Mental Ability » Basic Arithmetic
Question
The average age of 15 children in a class is 7 years. If the teacher’s age is included, the average age becomes 10 years. Find the teacher’s age.
Choices
Choice (4)  Response  

a.  55 

b.  42 

c.  35 

d.  45 

Question number: 158
» Mental Ability » Basic Arithmetic
Question
. If = 0.008, then will be ________
Choices
Choice (4)  Response  

a.  0.125 

b.  1 

c.  0.0625 

d.  0.20 

Question number: 159
» Mental Ability » Basic Arithmetic
Question
A shopkeeper declares a sale of electronics item, giving 15 % discount. If the net sale price of an electronic item is rupees 5000, what is its market price?
Choices
Choice (4)  Response  

a.  550 Rs. 

b.  952 Rs. 

c.  5882.35 Rs. 

d.  500 Rs. 

Question number: 160
» Mental Ability » Basic Arithmetic
Question
If the area of a triangle with base x is equal to the area of a square with side x, then the altitude of the triangle is.
Choices
Choice (4)  Response  

a.  3x 

b.  x 

c. 


d.  2x 
