Shyamsundar has a rectangular field of length 200 m and breadth of 100
m .He grows rice.His field produces 500kg rice in 100 square
metre.Shyamsundar everyday takes 2 rounds of the field to take care the
crops in the morning. Shyamsundar’s grandson Raju wants to fence the field
with barbed wire.The cost of fencing per metre is Rs 20.He asks his
grandfatherto give himmoney for the fencing. Grandfather promises him
to give money after selling the whole rice.
A.What is the total distance covered byShyamsundarin the morning?
a. 1200 m
b. 600 m
c. 300 m
d. 500 m
Answers
Answer:
Total distance covered by shyam sundar in the morning is 600 m
Step-by-step explanation:
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Question :- Shyamsundar has a field of length 150 m and breadth 100 m. He grows rice. His field produces 6 kg rice in 100 sq metre. He daily takes 3 rounds of the field to take care of crops in the morning. His grandson Raju wants to fence the field with barbed wire. The cost of fencing per metre is Rs. 25 .
He asks his grandfather to give him money for the fencing. Grandfather promises him to give money after selling the crop.
ANSWER THE FOLLOWING QUESTIONS :-
1. What is the total distance covered by Shyamsundar in the morning?
a 500m
b 450m
c. 300m
d. 1500m
2. Find the cost of fencing the field?
a. Rs 12000
b Rs2500
c Rs7500
d Rs12500
3. How much rice is grown in the whole field?
a. 8000kg
b. 900kg
c. 9000kg
b. 90000kg
Solution :-
→ Area of Sundar's field = Length * Breadth = 150 * 100 = 15000 m² .
so,
→ Rice produces in 100m² = 6kg
→ Rice produces in 1m² = (6/100) kg .
→ Rice produces in whole field = (6/100) * 15000 = 900 kg. (Option b) (Ans.3)
now,
→ Perimeter of the field = 2(Length + Breadth) = 2(150 + 100) = 2 * 250 = 500 m.
then,
→ The total distance covered by Sundar in the morning = 3 * Perimeter = 500 * 3 = 1500 m. (Option d) (Ans.1)
therefore,
→ Total cost of fencing = Rate * Perimeter = 25 * 500 = Rs.12500 (Option d) (Ans.2) .