3
Q:

A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number ? 

A) 2 B) 4
C) 6 D) 8

Answer:   D) 8



Explanation:

Let the number be v. Then, 3 (2x + 9) = 75.

 2x + 9 = 25

=> 2x = 16

=> x = 8

Q:

A positive number when decreased by 4, is equal to 21 times the reciprocal of this number. The number is

A) 3 B) 7
C) 5 D) 9
 
Answer & Explanation Answer: B) 7

Explanation:
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0 38
Q:

How many numbers are there from 200 to 800 which are neither divisible by 5 nor by 7?

 

A) 407   B) 410  
C) 413   D) 411  
 
Answer & Explanation Answer: D) 411  

Explanation:
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2 208
Q:

How many natural numbers less than 500, when divided by 35 and 49, will leave a remainder of 30 in each case?

 

 

A) 4 B) 3
C) 1 D) 2
 
Answer & Explanation Answer: C) 1

Explanation:
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0 122
Q:

If the nine-digit number 708x6y8z9 is divisible by 99, then what is the value of x + y + z?

 

A) 5 B) 27
C) 16 D) 9
 
Answer & Explanation Answer: C) 16

Explanation:
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0 232
Q:

If the given number 925x85 is divisible by 11, then the smallest value of x is:

 

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: D) 4

Explanation:
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0 527
Q:

What x is added to each of 10, 16, 22 and 32, the numbers so obtained in this order are in proportion? What is the mean proportional between the numbers (x + 1) and (3x + 1)?

 

A) 12 B) 9
C) 15 D) 10
 
Answer & Explanation Answer: C) 15

Explanation:
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0 108
Q:

When a positive integer is divided by d, the remainder is 15. When ten times of the same number is divided by d. the remainder is 6.
The least possible value of d is:

 

A) 9 B) 16
C) 18 D) 12
 
Answer & Explanation Answer: B) 16

Explanation:
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1 181
Q:

The greatest number which should be replace '*’ in the number 146*48 to make t divisible by 8 is:

 

A) 8 B) 9
C) 2 D) 0
 
Answer & Explanation Answer: A) 8

Explanation:
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1 1451