Question

please anyone answer for this all questions ❓

36) Two cross roads, each of width 5m, run at right angles through the centre of a rectangular park of length 70m and breadth 45m parallel to its sides. Find the area of the roads. Also, find the cost of constructing the roads at the rate of . 105 per m².
37) If 9"x 32 x 3"- (27)" (33)5x 23 1 27 find the value of n.
38) An electric pole casts a shadow of length 20 meters at a time when a tree 5 meters high casts a shadow of length 8 meters. Find the height of the pole.
39) Divide the sum of - 1 and 2 by the product of - and - 2
40)
a)How many envelopes can be made out of a sheet of paper 125 cm by 85cm, supposing one envelope requires a piece of paper of size 17cm by 5cm?
b) Simplify: [29-(-2){6 - (7-3)}] - [3 x {5+ (-3) (-2)}]​

Answer 1

Answer:

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