Manasa makes the 200 km trip from Mumbai to Pune at a steady speed of 60 km per hour. What is the amount of petrol consumed for the journey

1.  12.5 litres

2.  13.33 litres

3.  16 litres

4.  19.75 litres

View Answer  
4
Correct Answer :

13.33 litres


Explanation :
No Explanation available for this question

Manasa would like to minimize the fuel consumption for the trip by driving at the appropriate speed. How should she change the speed

1.  Increase the speed

2.  Decrease the speed

3.  Maintain the speed at 60 km/hour

4.  Cannot be determined

View Answer  
4
Correct Answer :

Decrease the speed


Explanation :
No Explanation available for this question

Total expenses of a boarding house are partly fixed and partly varying linearly with the number of boarders. The average expense per boarder is Rs. 700 when there are 25 boarders and Rs. 600 when there are 50 boarders. What is the average expense per boarder when there are 100 boarders.

1.  550

2.  560

3.  540

4.  530

View Answer  
4
Correct Answer :

550


Explanation :
No Explanation available for this question

The figure below shows two concentric circles with centre O. PQRS is a square, inscribed in the other circle. It also circumscribes the inner circle, touching it at points B, C, D and A. What is the ratio of the perimeter of the outer circle to that of polygon ABCD     

1.  π/4

2.  3(π/2)

3.  π/2

4.  π

View Answer  
4
Correct Answer :

π/2


Explanation :
No Explanation available for this question

There is a circle of radius 1 cm. Each member of a sequence of regular polygons Sl (n), n = 4, 5, 6.... where n is the number of sides of the polygon, is circumscribing the circle; and each member of the sequence of regular polygons S2 (n), n = 4, 5, 6..... where n is the number of sides of the polygon, is inscribed in the circle. Let L1(n) and L2(n) denote the perimeters of the corresponding polygons of S1 (n) and S2 (n). Then {L1(13)+2π}/L2(17) is

1.  greater than π/4 and less than 1

2.  greater than 1 and less than 2

3.  greater than 2

4.  less than π/4

View Answer  
4
Correct Answer :

greater than 2


Explanation :
No Explanation available for this question

There is a square field with each side 500 meters long. It has a compound wall along its perimeter. At one of its corners, a triangular area of the field is to be cordoned off by erecting a straight line fence. The compound wall and the fence will form its borders. If the length of the fence is 100 meters, what is the maximum area in square meters that can be cordoned off

1.  2,500

2.  10,000

3.  5,000

4.  20,000

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4
Correct Answer :

2,500


Explanation :
No Explanation available for this question

The number of positive integer valued pairs (x, y), satisfying 4x-17y=1 and x ≤ 1000 is:

1.  59

2.  57

3.  55

4.  58

View Answer  
4
Correct Answer :

59


Explanation :
No Explanation available for this question

The remainder when 784 is divided by 342 is :

1.  0

2.  1

3.  49

4.  341

View Answer  
4
Correct Answer :

1


Explanation :
No Explanation available for this question

Ten points are marked on a straight line and eleven points are marked on another straight line. How many triangles can be constructed with vertices from among the above points

1.  495

2.  550

3.  1045

4.  2475

View Answer  
4
Correct Answer :

1045


Explanation :
No Explanation available for this question

For a scholarship, almost n candidates out of 2n - 1 can be selected. If the number of different ways of selection of atleast one candidate is 63, the maximum number of candidates that can be selected for the scholarship is :

1.  3

2.  4

3.  2

4.  5

View Answer  
4
Correct Answer :

3


Explanation :
No Explanation available for this question
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