Mass and Its Measurement

Q. If I weigh 60 kgs on Earth, then I will weight kgs on the Moon.

1. 20
2. 30
3. 10
4. 5

Q.

$1\mathrm{kg}$ weight is equal to ____?

Q.

Samson travelled $5$km $32$m by bus, $2$km $265$m by car and the rest $1$km $30$m he walked. How much distance did he travel in all ?

Q.

The weight of a person is generally measured in terms of _____.

1. centigrams

2. milligrams

3. grams

4. kilograms

Q. Mass and weight are the same quantity.

1. False
2. True

Q. Which among these is the greatest?

1. 20 m
2. 10 kg
3. Cannot be determined
4. 5 litre

Q.

Find the sum of $5836kg250g$ and $2954kg825g$

Q.

If it takes $31536000seconds$ for the earth to complete one revolution, how many hours will it take to complete $100revolutions$? Express the answer in standard form

Q. The weight of a body on earth is $98N$ where acceleration due to gravity is $9.8m{s}^{-2}$. What will be its weight on the moon where acceleration due to gravity is $1.6m{s}^{-2}$?

1. $10kg$
2. $16kg$
3. $10N$
4. $16N$

Q.

Kilometre is a multiple of milligram

1. True
2. False

Q.

Express each of the following in kilograms.

1. $5.84\times {10}^{-3}mg$
2. $58.34g$
3. $0.584g$
4. $5.873\times {10}^{-21}g$

Q. If 4 kg of rice can feed 8 people, then Kg of rice can feed 320 people.

1. 160
2. 240
3. 120

Q. The stcok of grain in a government warehouse lasts $30$ days for $4000$ people. How many days will it last for $6000$ people ?

Q.

$1Kgf$ is equal to $100gf$

1. True
2. False

Q.

How much is $168cm$ in $feet$ and $inches$?

Q. The gravity on the moon is of that of the Earth.

1. one-sixth
2. twice
3. half
4. four times

Q.

Which of the following would you use to measure the weight of a rock ?

1. Measuring tape

2. Balance scale

3. Compass

4. Measuring can

Q. A 45 kg man is heavier than a 55 kg girl.

1. True
2. False

Q. Force exerted by mass due to gravity is weight.

1. True
2. False

Q.

Seema's bag weighs $\frac{3}{2}$ kg. What is its weight in grams?

1. 1.5 g

2. 150 g

3. 1500 g

4. 3000 g

Q. Shikha went to buy grapes. If the shopkeeper used one weight of 1 kg and another of 250 g to exactly weigh the grapes, then how many grams of grapes did she buy?

1. 1250 g
2. 1000 g
3. 1.250 g
4. 125.0 g

Q. We use a measuring balance to measure mass.

1. False
2. True

Q.

Convert $105$ mm into hectometre.

Q.

4 kg - 400 g = ____

1. 2400 g

2. 2600 g

3. 3600 g

4. 3400 g

Q. Guru reads $\frac{3}{5}$ of a book. He finds that there are still $80$ pages left to be read. Then total number of pages in the book are

1. $400$
2. $300$
3. $100$
4. $200$

Q.

4 kg - 400 g = ____.

1. 2400 g

2. 2600 g

3. 3600 g

4. 3400 g

Q. • How many coins are there in a sack of 5 rupee coins if it weighs:
(a) 18 kg? ________
(b) 54 kg? ________
(c) 4500 g? ________
(d) 2 kg and 250 g? ________
(e) 1 kg and 125 g? ________
• A 2 rupee coin weighs 6 g. What is the weight of a sack with:
(a) 2200 coins? ______ kg ______ g
(b) 3000 coins? ______ kg
• If 100 one rupee coins weigh 485 g then how much will 10000 coins weigh? ____ kg ____ g