Searching for "0"

Q:

Choose the correct alternative that will continue the same pattern and replace 'x' in series 1,2,5,10,25,50,x,250

A) 75 B) 150
C) 125 D) 100
 
Answer & Explanation Answer: C) 125

Explanation:

The pattern is *2,*5/2,*2,*5/2,*2, . . . . .
So missing term is 50*(5/2)=125

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Filed Under: Number Series

Q:

If 60% of 35 of a number is 36, then the number is

A) 86 B) 94
C) 100 D) 115
 
Answer & Explanation Answer: C) 100

Explanation:

Let the number be x.Then

 

60% of 35of x=36.

 

=> 60100*35*x=36

 

=> 9x25=36 => x=25*369=100

 

Required number is 100.

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Filed Under: Numbers

Q:

Choose the alternative that will continue the same pattern and replace 'x' 33,40,37,44,x

A) 41 B) 31
C) 42 D) 39
 
Answer & Explanation Answer: A) 41

Explanation:
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Filed Under: Number Series

Q:

Choose the correct alternative that will continue the same pattern and replace the 'x' in the series 525, 430, 345, 270, x

A) 255 B) 205
C) 235 D) 175
 
Answer & Explanation Answer: B) 205

Explanation:

The pattern is -95, -85, -75, -65, . . . .

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Filed Under: Number Series

Q:

The sum of the present ages of a father and his son is 60 years. five years ago, father's age was four times the age of the son. so now the son's age will be:

A) 5 B) 10
C) 15 D) 20
 
Answer & Explanation Answer: C) 15

Explanation:

Let the present ages of son and father be x and (60 -x) years respectively.

Then, (60 - x) - 5= 4(x - 5)

55 - x = 4x - 20

5x = 75  => x = 15

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Filed Under: Problems on Ages

Q:

Ramesh started a software business by investing Rs. 50,000. After six months, Rajesh joined him with a capital of Rs. 75,000. After 3 years, they earned a profit of Rs. 27,000. What was Rajesh's share in the profit?

A) 10,000 B) 15,000
C) 20,000 D) 25,000
 
Answer & Explanation Answer: B) 15,000

Explanation:


Ramesh : Rajesh =(50,000*36) : (75,000*30) =4 : 5.

Therefore, Rajesh's share=Rs.(27,000*5/9)= Rs.15,000.

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Filed Under: Percentage

Q:

Will comparison of string "10" and integer 11 work in PHP?

Answer Yes, internally PHP will cast everything to the integer type, so numbers 10 and 11 will be compared.
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Subject: PHP

Q:

I am trying to assign a variable the value of 0123, but it keeps coming up with a different number, what’s the problem?

Answer PHP Interpreter treats numbers beginning with 0 as octal. Look at the similar PHP interview questions for more numeric problems.
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Subject: PHP