exam Maths Puzzle

A skating champion moves along the circumference of a circle of radius 28m in 44 sec. How many seconds will it take her to move along the perimeter of a hexagon of side 48 m?

A.

90

B.

84

C.

68

D.

72

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exam Other Question

A train leaves station X at 5am and reaches station Y at 9am. Another train leaves station Y at 7am and reaches station X at 10:30 am. At what time do the two trains cross each other?

A.

7:36 am

B.

7:56 am

C.

8:36 am

D.

8:56 am A hare sees a dog 200m away from her and scuds off in opposite direction at a speed of 24 km/hr. Two minutes later the dog perceives her and gives chase at a speed of 32km/hr. How soon will the dog overtake the hare, and what distance from the spot from where the hare took flight?

A.

8 min, 2 km

B.

7.5 min, 2 km

C.

7.5 min, 3km

D.

7.5 min, 2.5km