Aditi read 4/5 th of Tintin comic book which has 100 pages. How many pages of the book is not yet read by Aditi?

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RRB ASM Exam (Bhubaneshwar) 2009 click here to view all questions

Aditi read 4/5 th of Tintin comic book which has 100 pages. How many pages of the book is not yet read by Aditi?

A40

B60

C80

D20

prakash ? Jan 5 '2019 at 19:55

Answer is : D [20]
Explanation:
Let total number of pages be 100
Pages read= 4*100/5= 80
pages left to read = 100-80= 20

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A number of two digits is 6 times the sum of its digits.

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RRB TC CC Exam (Mumbai) 2006 click here to view all questions

A number of two digits is 6 times the sum of its digits. When the sum of its digits is added to the number, the result is 63. What is the number?

A32

B42

C53

D54

Akilesh Kharvi ? Nov 6 '2016 at 22:45

Answer is : 54
Let the number be 10y+x. 
As given, 10y+x=6(x+y) 
10y+x-6x-6y=0 
4y-5x=0 ........(i)

Again, 
10y+x+x+y=63 
=>11y+2x=63 .......(ii)

Solving (i) and (ii), 
x=4 and y=5 
Number = 54

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2x+4 = 2+3x, the value of x is

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2x+4 = 2+3x, the value of x is

A2

B4

C1.5

D3

Akilesh Kharvi ? Nov 6 '2016 at 22:37

Answer is : 2
2x + 4 = 2 + 3x
=>3x-2x = 4-2
=>x = 2

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Evaluation of

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Evaluation of is .......

A(−1)

B0

C(−321)

D10

Akilesh Kharvi ? Nov 6 '2016 at 11:40

Answer is : -1

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People and horses in the same number were going some where.

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RRB TC CC Exam (Bangalore) 2006 click here to view all questions

People and horses in the same number were going some where. Half of the owners were riding their horses and the remaining were walking on foot with the horses. If the total number of feet of walkers was 70. How many were the horses?

A10

B12

C14

D16

Sachin Khr ? Nov 18 '2016 at 22:40

Answer is : 14
Let number of horses = number of men = x.
Then, number of legs = \(4x + 2 x (\frac{x}{2}) = 5x.\)
So, 5X = 70 or x = 14.

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