3 pipes can fill a reservoirin 10,15 and 20 hrs. resp. The first was opened at 5 a.m. , the second at 6 a.m., third at 7 a.m. When will the reservoir the filled

1.  5:20a.m

2.  6:30 a.m.

3.  10:20 a.m.

4.  4 p.m.

View Answer  
4
Correct Answer :

10:20 a.m.


Explanation :
No Explanation available for this question

Rowing at a steady rate, a man travels downstream for an hour and covers 5 km. If he takes 1hr.20min. For the return journey. Find the speed of the current

1.  0.625 km/hr

2.  0.325 km/hr

3.  0.75 km/hr

4.  none of these

View Answer  
4
Correct Answer :

0.625 km/hr


Explanation :
No Explanation available for this question

If 15 men and 10 boys can do in 1 day as much work as 12 men and 20 boys. How much should a man be paid a day if a boy is to get Rs.10 a day

1.  Rs.30

2.  Rs.33.33

3.  Rs.40

4.  Rs.45

View Answer  
4
Correct Answer :

Rs.33.33


Explanation :
No Explanation available for this question

A cop after a robber who has 100m start. The cop runs 2 km in 8mins. And the thief 2 km in 12 mins. How far the thief has gone before he overtaken

1.  200

2.  210

3.  250

4.  300

View Answer  
4
Correct Answer :

200


Explanation :
No Explanation available for this question

1The sides of a triangle are 5:6:7 and its area is 800 sqft. Find its sides

1.  Sqrt[800/sqrt(225)]

2.  sqrt[800/sqrt(216)]

3.  sqrt[800/sqrt(210)]

4.  sqrt[760/sqrt(220)]

View Answer  
4
Correct Answer :

sqrt[800/sqrt(216)]


Explanation :
No Explanation available for this question

Find the area of the cyclic quadrilateral whose sides are 15,12,10 and 13 cms.

1.  30*sqrt(26)

2.  30*sqrt(20)

3.   10*sqrt(6)

4.  10*sqrt(2)

View Answer  
4
Correct Answer :

30*sqrt(26)


Explanation :
No Explanation available for this question

Cost of painting the 4 walls of a room 40ft.*15ft. At Rs.5 per square feet is Rs.7500. Find the height of the room

1.  14 ft.

2.  13.63 ft.

3.  15.72 ft.

4.  21.2 ft.

View Answer  
4
Correct Answer :

13.63 ft.


Explanation :
No Explanation available for this question

The areas of a trapezium of height 20 cm. Is 800 cm2. One parallel side is 10 cm. Longer than the other. Find the parallel side

1.  35,45

2.  30,40

3.  45,35

4.  60,70

View Answer  
4
Correct Answer :

35,45


Explanation :
No Explanation available for this question

Volume of a right circular cylinder is 450 cm3and its curved surfaces area is 200 cm2. Find its radius

1.  2.5 cm

2.  1.5 cm

3.  5cm

4.  4.5 cm

View Answer  
4
Correct Answer :

4.5 cm


Explanation :
No Explanation available for this question

Iron weighs 8 times the weight of steel . Find the diameter of an iron ball whose weight is equal to that of a ball of steel 16 inches diameter

1.  6

2.  7.5

3.  9

4.  8

View Answer  
4
Correct Answer :

8


Explanation :
No Explanation available for this question
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