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Shivam • 8.86K Points
Tutor III

3) A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream. 

(A) 2 hours
(B) 3 hours
(C) 4 hours
(D) 5 hours
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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Shivam • 8.86K Points
Tutor III

4) A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is: 

(A) 8.5 km/hr
(B) 9 km/hr
(C) 10 km/hr
(D) 12.5 km/hr
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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Shivam • 8.86K Points
Tutor III

5) A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively? 

(A) 2 : 1
(B) 3 : 2
(C) 8 : 3
(D) Cannot be determined
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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Shivam • 8.86K Points
Tutor III

6) A motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is: 

(A) 4 km/hr
(B) 5 km/hr
(C) 6 km/hr
(D) 10 km/hr
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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Shivam • 8.86K Points
Tutor III

7) In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is: 

(A) 3 kmph
(B) 5 kmph
(C) 8 kmph
(D) 9 kmphr
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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Shivam • 8.86K Points
Tutor III

8) A right triangle with sides 3 cm, 4 cm and 5 cm is rotated the side of 3 cm to form a cone. The volume of the cone so formed is:

(A) 12π cm3
(B) 15π cm3
(C) 16π cm3
(D) 20π cm3
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

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Shivam • 8.86K Points
Tutor III

9) In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is:

(A) 75 cu. m
(B) 750 cu. m
(C) 7500 cu. m
(D) 75000 cu. m
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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Shivam • 8.86K Points
Tutor III

10) A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is: 

(A) 720 m^3
(B) 900 m^3
(C) 1200 m^3
(D) 1800 m^3
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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