If 10% of the respondents view DD and CNN and 12% view DD and BBC , then what percentage of the respondents view all three channels

1.  Zero

2.   2

3.  8

4.  can't determine

View Answer  
4
Correct Answer :

can't determine


Explanation :
No Explanation available for this question

How many natural numbers (n) are there such that ( 16n2 + 7n + 6) / n is also a natural number

1.  4

2.   3

3.  Infinite in number

4.  None of these

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

Fresh grapes contain 90% of water by weight. Dry grapes contain 20% . What is the weight of the dry grapes available from 20kg. of fresh grapes

1.  2.5 kg.

2.  2.4 kg.

3.  2 kg.

4.  None of these

View Answer  
4
Correct Answer :

2.5 kg.


Explanation :
No Explanation available for this question

An express train moving at a speed of 80kmph, overtakes a goods train twice as long as the express train and moving in the same direction at a speed of 40 kmph, in 54 seconds. The time taken by the express train to go through a station 400 m long is

1.  27 seconds

2.  54 seconds

3.  18 seconds

4.  None of these

View Answer  
4
Correct Answer :

27 seconds


Explanation :
No Explanation available for this question

A candidate was asked to find 7/8 of a positive number. He found out 7/18th of the number and got an answer, which was 770 less than the correct answer. What is the original number

1.  6160

2.  1584

3.  1260

4.  None of these

View Answer  
4
Correct Answer :

1584


Explanation :
No Explanation available for this question

P and Q are positive integers where =8. Which of the following cannot be the value of ( P + Q)

1.  65

2.  35

3.  20

4.  16

View Answer  
4
Correct Answer :

35


Explanation :
No Explanation available for this question

The average of 10 scores is 80. When the highest and the lowest scores are dropped the average is 81. If the highest score is 92, find the lowest score.

1.  80

2.  78

3.  76

4.  60

View Answer  
4
Correct Answer :

60


Explanation :
No Explanation available for this question

If the roots x1 and x2 of the equation x2- 2x + c = 0, satisfy the condition 7x2- 4x1 = 47, then which of the following is true

1.  x1=4.5, x2=-2.5

2.  c=-15

3.   x1=-5, x2=3

4.  None of these

View Answer  
4
Correct Answer :

c=-15


Explanation :
No Explanation available for this question

The sum of the areas of two circles touching extremely and whose centers are 15 cms apart is 153p cm2. The ratio of the radius of the bigger circle to that of the smaller circle is

1.  4

2.  3

3.  2

4.  None of these

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

If m and n are two integers divisible by 5, then which of the following need not necessarily be true

1.  m2 + n2 is divisible by 25

2.  m-n is divisible by 5

3.  m + n is divisible by 10

4.  None of these

View Answer  
4
Correct Answer :

m + n is divisible by 10


Explanation :
No Explanation available for this question
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