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NCERT · Class 5 · Maths

Chapter 14: How Big? How Heavy?

Practice each question, then open the answer or worked solution.

The list of food each person will need for:

3 questions
Q1Written answer

For 6 days, each person will need

a) Rice and flour – ______ g

Rice and flour – 1200 g

Flour required per person per day = 100 g

Total rice and flour required for each person for a single day = 200 g

Thus, for 6 days, rice and flour required per person = 200 g × 6 = 1200 g

b) Pulses – ______ g

Pulses – 400 g

Pulses required per person per day =1/3 rd the weight of rice and flour

Pulses required per person for days = 1200 g × 1/3 =400 g

c) Dried onions – ______ g

Dried onions – 60 g

Dried onions required per person per day = 10 g

For 6 days, dried onions required per person = 6 × 10 g = 60 g

2. How much of fresh tomatoes should be dried for 6 days for 10 people?

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Worked solution

For 1 g dried tomato, we need 10g fresh tomatoes.

Hence, for 10 g dried tomatoes, we need 10 × 10 g = 100 g fresh tomatoes.

Thus, for 6 days, we need to dry 6 × 100 g = 600 g of fresh tomatoes.

Q2Written answer

How much of fresh tomatoes should be dried for 6 days for 10 people?

They even dry the onions and tomatoes to make them light. One kg of onions or tomatoes becomes 100 g when the water inside dries up.

The list of food each person will need for:

NCERT Solutions for Class 5 Maths Chapter 14 - Image 18

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Worked solution

For 1 g dried tomato, we need 10g fresh tomatoes.

Hence, for 10 g dried tomatoes, we need 10 × 10 g = 100 g fresh tomatoes.

Thus, for 6 days, we need to dry 6 × 100 g = 600 g of fresh tomatoes.

Q3Written answer

What is the total weight of food (for 6 days) in each person s bag?

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Worked solution
Item Weight for 6 days
Rice and flour

Pulses

Dried onions

Oil

Sugar

Milk powder

Tea

Dalia

Salt

Dried tomatoes

1200g

400g

60g

300g

300g

240g

60g

240g

30g

60g

Total weight 2890g