Q.N(1) Gaurav ran along a triangular path of equal sides at a speed of 15 km/hr,10 km/hr, and 12 km/hr. What is the average speed of Gaurav along the whole length of the path?
A. 12 KM/ HOURS
B. 13 KM/ HOURS
C. 25 KM/ HOURS
D. 30 KM/ HOURS
OPTION A correct
Q.N(2) NASA launches a rocket that takes 20 hrs to reach Moon and from Moon to again launch station it takes 12 hrs. What is the ratio of their speeds?
A. 1:4
B. 4:5
C. 5:1
D. 3: 5
OPTION D CORRECT
Q.N(3) A fisherman in his boat covers a distance of 1500 km in 50 days resting 3 hours a day, if he rests 15 hours a day and rides a boat with speed 7⁄2 times of the previous, then in how many days will he be able to cover 720 km?
A. 16
B. 31.05
C. 33
D. 31
OPTION A CORRECT
Q.N(4) A boat is moving at a speed of 60 km/h. To know the depth of the sea beneath it, it sends a radio wave which travels at a speed of 100 m/s. The boat receives back the signal after it has moved 250 m. What is the depth of the sea?
A. 8
B. 0.95
C. 0.75
D. 9
OPTION C CORRECT
Q.N(5) Jugal and javesh tied each other with a rope of length 105m long. If both starts started running in the opposite direction with the speed of 16m/min and 19m/min respectively, after how many more mins both have to stop?
A. 2
B.2.5
C.3
D. 3.5
OPTION C CORRECT
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