Question 14 Marks
Given below are a few problems. You may need some additional information to solve these. Identify the missing information. Write the missing information and find the answer.
(a) A fruit vendor sells 6 baskets of mangoes. Each basket contains 12 mangoes. How much did the vendor earn in total?
(b) A school has 8 classrooms, and each classroom has an equal number of desks. How many desks are there in each classroom?
(c) Rahul buys 5 cricket bats for his team. The total bill is ₹ 3500. How much does one bat cost?
(d) A restaurant serves 125 plates of idlis in a day. The total earnings from selling all the idli plates is ₹ 6250. How many idlis are there in each plate?
(a) A fruit vendor sells 6 baskets of mangoes. Each basket contains 12 mangoes. How much did the vendor earn in total?
(b) A school has 8 classrooms, and each classroom has an equal number of desks. How many desks are there in each classroom?
(c) Rahul buys 5 cricket bats for his team. The total bill is ₹ 3500. How much does one bat cost?
(d) A restaurant serves 125 plates of idlis in a day. The total earnings from selling all the idli plates is ₹ 6250. How many idlis are there in each plate?
Answer
View full question & answer→(a) Missing information: The cost of each mango.
Let each mango costs ₹ 10
The cost of each basket = 12 × 10 = ₹ 120
Therefore, the cost of 6 baskets = 6 × 120
= ₹ 720
Thus, the vendor earn ₹ 720 in total.
(b) Missing information: Total number of desks in the school.
Let the total number of desks in the school is 160.
Therefore, the total number of desks in each classroom = 160 ÷ 8 = 20
(c) No information is missing.
The cost of one bat = 3500 ÷ 5 = ₹ 7000
(d) Missing information: The cost of one idli. Let the cost of each idli is ₹25 The cost of one plate idli
= 6250 ÷ 125 = ₹ 50
Therefore, the number of idlis in one plate = 50 ÷ 25 = 2
Let each mango costs ₹ 10
The cost of each basket = 12 × 10 = ₹ 120
Therefore, the cost of 6 baskets = 6 × 120
= ₹ 720
Thus, the vendor earn ₹ 720 in total.
(b) Missing information: Total number of desks in the school.
Let the total number of desks in the school is 160.
Therefore, the total number of desks in each classroom = 160 ÷ 8 = 20
(c) No information is missing.
The cost of one bat = 3500 ÷ 5 = ₹ 7000
(d) Missing information: The cost of one idli. Let the cost of each idli is ₹25 The cost of one plate idli
= 6250 ÷ 125 = ₹ 50
Therefore, the number of idlis in one plate = 50 ÷ 25 = 2
