If u, v, w and m are natural numbers such that um+ vm= wm, then one of the following is true

1.  m ≥ min (u, v, w)

2.  m ≥ max (u, v, w)

3.  m < min (u, v, w)

4.  none of these

View Answer  
4
Correct Answer :

m < min (u, v, w)


Explanation :
No Explanation available for this question

A train approaches a tunnel AB. Inside the tunnel is a cat located at a point that is 3/8 of the distance AB measured from the entrance A. When the train whistles the cat runs. If the cat moves to the entrance of the tunnel, A, the train catches the cat exactly at the entrance. If the cat moves to the exit, B, the train catches the cat at exactly the exit. The speed of the train is greater than the speed of the cat by what order

1.  3:1

2.  4:1

3.  5:1

4.  none of these

View Answer  
4
Correct Answer :

4:1


Explanation :
No Explanation available for this question

How many four-letter computer passwords can be formed using only the symmetric letters (no repetition allowed)

1.  7920

2.  330

3.  14640

4.  419430

View Answer  
4
Correct Answer :

7920


Explanation :
No Explanation available for this question

How many three-letter computer passwords can be formed (no repetition allowed) with at least one symmettic letter

1.  990

2.  2730

3.  12870

4.  15600

View Answer  
4
Correct Answer :

12870


Explanation :
No Explanation available for this question

Ten straight lines, no two of which are parallel and no three of which pass through any common point, are drawn on a plane. The total number of regions (including finite and infinite regions) into which the plane would be divided by the lines is :

1.  56

2.  255

3.  1024

4.  not unique

View Answer  
4
Correct Answer :

56


Explanation :
No Explanation available for this question

A car rental agency has the following terms. If a car is rented for 5 hours or less the charge is Rs. 60 per hour or Rs. 12 per kilometer whichever is more. On the other hand, if the car is rented for more than 5 hours, the charge is Rs. 50 per hour or Rs. 7.50 per kilometer whichever is more. Akil rented a car from this agency, drove it for 30 kilometers and ended up paying Rs. 300. For how many hours did he rent the Car

1.  4

2.  5

3.  6

4.  none of these

View Answer  
4
Correct Answer :

6


Explanation :
No Explanation available for this question

How many total oranges were in the basket at the end of the above sequence

1.  1

2.  4

3.  3

4.  2

View Answer  
4
Correct Answer :

2


Explanation :
No Explanation available for this question

How many total fruits will be in the basket at the end of the above order sequence

1.  9

2.  8

3.  11

4.  10

View Answer  
4
Correct Answer :

11


Explanation :
No Explanation available for this question

Four horses are tethered at four corners of a square plot of side 14 metres (m) so that the adjacent horses can just reach one another. There is a small circular pond of area 20 m2 at the centre. The area left ungrazed is:

1.  22 m2

2.  42 m2

3.  84 m2

4.  168 m2

View Answer  
4
Correct Answer :

22 m2


Explanation :
No Explanation available for this question

Davji Shop sells samosas in boxes of different sizes. The samosas are prices at Rs. 2 per samosa up to 200 samosas. For every additional 20 samosas, the price of the whole lot goes down by 10 paise per samosa. What should be the maximum size of the box that would maximize the revenue

1.  240

2.  300

3.  400

4.  none of these

View Answer  
4
Correct Answer :

400


Explanation :
No Explanation available for this question
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