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The length and breadthof a playground are 75m 20cm and 34m 80cm respectively.
1. find the cost of leveling it at the rate of 1rs 50p per sq.m
2. How long will a boy take to go 3 times round the field if he walks at th rate of 1.5m/s

Pls ans fast
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1. 3925.44 rs
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Length of playground     = 75m 20cm = 7520cm
Breadth of playground    = 34m 80cm = 3480cm
Area of rectangle              = length x breadth
Area of playground         = 7520 x 3480
                                           = 26169600cm2 = 261696m2
​Perimeter of rectangle      = 2 ( l +b )
Perimeter of playground = 2 ( 7520 + 3480 )
                                          = 2 x 11000
                                          = 22000cm = 220m

​1. Cost of levelling for 1m2​         = 1ruppee 50paise = 1.50ruppees
    Cost of leveling for 261696m2 = 261696 x 1.50
                                                       = Rs 392544

2. Length around the field a boy takes to walk 1 time     = 220m
    Length around the field a boy takes to walk 3 times   = 220 x 3
                                                                                              = 660m
​    Time he will take if he walks at the rate of 1.5 second = 660 x 1.5
                                                                                              = 990 seconds = 16 minutes 5 seconds
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3 rs
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same answer as prutha
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1.Rs. 392544
2.Rs. 16 minutes 5 seconds
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