A flag pole 18 m high casts a shadow 9.6 m long. What is the distance of the top of the pole from the far end of the shadow?

• 20 metres

• 20.04 metres

• 20.4 metres

• 20.4 metres

A train which is moving at an average speed of 40 kmph, reaches its destination on time. When its average speed reduces to 35 kmph, then it reaches its destination 15 minutes late. The distance travelled b y the train is:

• 80 kms

• 40 kms

• 70 kms

• 70 kms

Diagonals of a rhombus are 1 meter and 1.5 meter in lengths. The area of the rhombus is

• 0.75 m2

• 1.5 m2

• 1.5 m2

• 1.5 m2

• 36 m
• 72 m
•  18 m
•  18 m

Two straight poles of unequal length stand upright on a ground. The length of the shorter pole is 10 meters. A pole joins the top of the two vertical poles. The distance between the two tops is 5 meters. The distance between the poles along the ground is 4 meter. The area thus formed by the three poles with the ground is

• 52 meter2

• 46 meter2

• 20 meter2

• 20 meter2

An angle in a semi circle is

• π

• π/4

• π/2

• π/2

A circular park, 42 m in diameter, has a path 3.5 m wide running around it on the outside.Find the cost of gravelling the path at Rs. 4 per m2

• Rs. 1672

• Rs. 1652

• Rs. 2002

• Rs. 2002

In a school for midday meal food is sufficient for 250 students for 33 days, if each student is given 125 gm meals. 80 more students joined the school. If same amount of meal is given to each student, then the food will last for

• 20 days

• 40 days

• 30 days

• 30 days