Mental AbilityBasic Arithmetic (NCO Cyber Olympiad Class 6): Questions 71  78 of 268
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Question number: 71
» Mental Ability » Basic Arithmetic
Question
From 50 to 75, how many numbers are divisible by only 7?
Choices
Choice (4)  Response  

a.  8 

b.  3 

c.  2 

d.  5 

Question number: 72
» Mental Ability » Basic Arithmetic
Question
In a jungle, there are 34 elephants, 48 lions, 79 monkeys, 65 cheetahs. How many animals are in the Jungle?
Choices
Choice (4)  Response  

a.  200 

b.  226 

c.  46 

d.  176 

Question number: 73
» Mental Ability » Basic Arithmetic
Question
Students in Mr. Menon’s English class were giving speeches. Each student’s speech was 7 to 10 minutes long. Which of the following is the best estimate for the number of speeches that could be given in a 2hours class?
Choices
Choice (4)  Response  

a.  8 speeches 

b.  13 speeches 

c.  19 speeches 

d.  4 speeches 

Question number: 74
» Mental Ability » Basic Arithmetic
Question
The LCM of two numbers is 504. Which of the following numbers cannot be possibly the HCF of these numbers?
Choices
Choice (4)  Response  

a.  18 

b.  42 

c.  16 

d.  36 

Question number: 75
» Mental Ability » Basic Arithmetic
Question
The product of two numbers is 4000. If the H. C. F. of the numbers is 20, then L. C. M. will be ________.
Choices
Choice (4)  Response  

a.  20 

b.  200 

c.  10 

d.  40 

Question number: 76
» Mental Ability » Basic Arithmetic
Question
The number that should replace the triangle so that the following forms a proportion is________.
16, 24, 26, ∆
Choices
Choice (4)  Response  

a.  39 

b.  37 

c.  36 

d.  40 

Question number: 77
» Mental Ability » Basic Arithmetic
Question
L. C. M. of 52 and 104 is ________.Choices
Choice (4)  Response  

a.  52 

b.  78 

c.  104 

d.  39 

Question number: 78
» Mental Ability » Basic Arithmetic
Question
Saint Mary’s School’s students are going on a trip. Group 1 will have 23 passengers on the bus, while Group 2 will have 19 passengers and Group 3 will have 21 passengers on the bus. How many passengers will be on the bus from Saint Mary’s School?
Choices
Choice (4)  Response  

a.  135 

b.  72 

c.  89 

d.  63 
