Unitary Method

Q.

If the cost price is $25\%$ of selling price. Then what is the profit percent?

A. $200\%$
B. $250\%$
C. $150\%$
D. $300\%$

Q.

Half of 1 percent written as decimal is 0.05.

1. True

2. False
   

Q.

How is the speed of 90 km/h expressed in m/s?

Q. On selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is:

1. Rs. 55
2. Rs. 50
3. Rs. 45
4. Rs. 60

Q. A TV is purchased at Rs. 5000 and sold at Rs. 4000, what is the loss percent?

1. 
2. 
3. 
4. 

Q. A man buys an article for Rs. 27.50 and sells it for Rs 28.60. What is his profit percentage?

1. 
2. 
3. 
4. 

Q.

Question 1

If the cost of 7m of cloth is Rs 294, find the cost of 5m cloth.

Q.

Question 8
Amina buys a book for Rs 275 and sells it at a loss $15\%$. How much does she sell it for?

Q.

If the cost of $1$ dozen bananas is $Rs.48$ then the cost of $5$ such bananas is:

1. $Rs.25$

2. $Rs.28$

3. $Rs.24$

4. $Rs.20$

Q.

How do you convert $0.23$ into a fraction and percent?

Q.

What is $7$ out of $50$ as a percentage?

Q.

A two-wheeler covers a distance of $55.3km$ in one litre of petrol. How much distance will it cover in $10litres$ of petrol?

Q.

After spending $80\%$ of his income and giving $10\%$of the reminder to a charity, a man has Rs.$46260$ left with him. Find his income.

Q.

Question 2

Ekta earns Rs 1500 in 10 days. How much will she earn in 30 days?

Q.

Question 84

In an election, the votes cast for two of the candidates were in the ratio 5:7. If the successful candidates received 20734 votes, how many votes did his opponents receive?

Q.

A motorbike travels 220 km in 5 litres of petrol. How much distance will it cover in 1.5 litres of petrol?

1. 66 km
2. 145 km
3. 71 km
4. 54 km

Q. The height of a person is 1m 65cm. What is his height in millimeters? [1 MARK]

Q.

If Chalk contains Calcium, Carbon, and Oxygen in the ratio $10:3:12$.If in a stick of chalk, carbon is $3g$, what is the weight of the chalk stick?

Q.

Find the following ratios in simplest form: $Rs.6.30:Rs.16.80$

Q. A man spends $\frac{3}{8}$ of his money and still has Rs. 720 left with him. How much money did he had at first?

1. Rs. 1920
2. Rs. 1450
3. Rs. 1152
4. Rs.1476

Q.

Ravi purchased an old scooter for $Rs.12000$ and spent $Rs.2850$ on its overhauling. Then he sold it to his friend for $Rs.13860.$ How much percent did he gain or lose?

Q.

Every fraction is a ratio but every ratio is not a fraction. Is this statement True or False?

1. True

2. False

Q.

The cost of $105$ envelopes is$₹350.$ How many envelopes can be purchased for$₹100$?

Q.

An aeroplane was flying at a height of $1600\mathrm{m}.$ From the time it started to land, it made a change of $70\mathrm{m}$in every minute. How many minutes will it take to descend to a height of $200\mathrm{m}?$

Q.

Question 4(b)

Cost of 5kg of wheat is Rs 30.50

What quantity of wheat can be purchased in Rs 61?

Q.

The cost of $3kg$of rice is$₹120$. What will be the cost of $8kg$of rice $?$

Q.

What are representative fraction

Q.

Find $1\%$ of $1$ hour.

Q. Sahil purchased a machine at Rs. 10000, then got it repaired at Rs 5000, then gave its transportation charges Rs 1000. He sold the machine with $50\%$ of profit. At what price he actually sold it?

1. Rs. 32000
2. Rs. 20000
3. Rs. 24000
4. Rs. 28000

Q.

The cost of a chair is Rs 980 .Find the cost of such 205 chairs.