Question

30
und the mean auraber of mineral water bottles kept in a packing box
34. Two men standing on either side of a cliff 90 m high, observes the angles of elevation of the top of the elite to be
30 and 60° respectively. Find the distance between the two men,
35. A solid consisting of a right circular cone of height 120 cm and radius 60 cm standing on a hemisphere
of radius 60 cmo is placed upright in a right circular cylinder full of water such that it touches the bottom. How manylitres of water is left in the cylinder, if the radius of the cylinder is 60 cm and its height is 180 cm. (Use =22/7).
OR
The cost of fcucing a circular field at the rate of 24 per m is 35280. The field is to be ploughed at the rate of
22
050 per m. Find the cost of ploughing the field. (Use n =
36. Solve the following pair of lincar equations graphically
27
x + 3y = 6 and 2x – 3y = 12
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Answer 1

Answer:

20 men do a quarter port of a job in eight days. if the world needs to be completed in the next four days how many men are needed to achieve the target?