Advertisements
Advertisements
प्रश्न
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
Sales Tax and the amount of the bill.
Advertisements
उत्तर
Sales tax and the amount of the bill are directly proportional to each other.
E.g. Let bill amount = ₹ 1000
Sales tax = 10%
Then, sales tax = `10/100 xx 1000` = ₹ 100
But if, bill amount = 2000
Sales tax = 10%
Then, sales tax = `10/100 xx 2000`
= 10 × 20
= ₹ 200
APPEARS IN
संबंधित प्रश्न
A 5 m 60 cm high vertical pole casts a shadow 3 m 20 cm long. Find at the same time the height of a pole which casts a shadow 5 m long.
Rohit bought 12 registers for Rs 156, find the cost of 7 such registers.
The amount of extension in an elastic spring varies directly with the weight hung on it. If a weight of 250 gm produces an extension of 3.5 cm, find the extension produced by the weight of 700 gm.
Sita can finish typing a 100 page document in 9 hours. Mita in 6 hours and Rita in 12 hours. How long will they take to type a 100 page document if they work together?
A and B can do a piece of work in 20 days and B in 15 days. They work together for 2 days and then A goes away. In how many days will B finish the remaining work?
A cistern can be filled by one tap in 8 hours, and by another in 4 hours. How long will it take to fill the cistern if both taps are opened together?
For 9 cows, 13 kg 500 g of food supplements are required every day. In the same proportion, how much will be needed for 12 cows?
- How far will it travel in 20 minutes?
- Find the time required to cover a distance of 250 km.
A car is travelling 48 km in one hour. The distance travelled by the car in 12 minutes is ______.
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
Area of the walls of a room and the cost of white washing the walls.
