Mental Ability (NCO Cyber Olympiad Class 7): Questions 97  103 of 205
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Question number: 97
» Mental Ability » Basic Arithmetic
Question
6 children and 10 men completed a certain piece of work in 12 days. Each children takes twice the time taken by a man to finish the work. In how many days will 10 men finish the same work?
Choices
Choice (4)  Response  

a.  8 

b.  15.6 

c.  12.5 

d.  9 

Question number: 98
» Mental Ability » Basic Arithmetic
Question
Convert the 0.25 into vulgar fractions
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 99
» Mental Ability » Basic Arithmetic
Question
A train 360 m long is running at a speed of . In what time will it pass a bridge 140 m long?
Choices
Choice (4)  Response  

a.  48 sec 

b.  45 sec 

c.  40 sec 

d.  42 sec 

Question number: 100
» Mental Ability » Basic Statistics
Question
Match the reciprocal of each of the following in exponential form:ListⅠ  ListⅡ 
(A)
 (i)

(B)
 (ii)

(C)
 (iii)

(D)
 (iv)

Choices
Choice (4)  Response  

 
a. 


b. 


c. 


d. 


Question number: 101
» Mental Ability » Basic Geometry
Question
PQR is an isosceles triangle with and PS is altitude, then
Choices
Choice (4)  Response  

a.  PS = PQ 

b.  PR = PQ 

c.  PS = PR 

d.  PS = QR 

Question number: 102
» Mental Ability » Basic Arithmetic
Question
Which of the following can be the exact multiple of 2?
Choices
Choice (4)  Response  

a.  27 

b.  15 

c.  63 

d.  12 

Question number: 103
» Mental Ability » Number Games
Question
A man has Rs. 192 in the denominations of 1rupee notes, 5rupee notes and 10rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has? .
Choices
Choice (4)  Response  

a.  75 

b.  36 

c.  60 

d.  48 
