the length and breadth of a rectangular courtyard is 75 m and 32 m. find the cost of leveling it at the rate of $ 3 per m 2. also, find the distance covered by a boy to take 4 rounds of the courtyard.
Pick:
A) 3573
B) 3455
C) 8600
D) 7000
E) 7200
<gadget id="calculator">75 * 32</gadget>
<output>2_400</output>

<gadget id="calculator">3 * 2_400</gadget>
<output>7_200</output>

<result>E</result>
the length and breadth of a rectangular courtyard is 75 m and 32 m. find the cost of leveling it at the rate of $ 3 per m 2. also, find the distance covered by a boy to take 4 rounds of the courtyard.
multiply(3, multiply(75, 32))
length of the courtyard = 75 m breadth of the courtyard = 32 m perimeter of the courtyard = 2 ( 75 + 32 ) m = 2 × 107 m = 214 m distance covered by the boy in taking 4 rounds = 4 × perimeter of courtyard = 4 × 214 = 856 m we know that area of the courtyard = length × breadth = 75 × 32 m 2 = 2400 m 2 for 1 m 2 , the cost of levelling = $ 3 for 2400 m 2 , the cost of levelling = $ 3 × 2400 = $ 7200 answer : e