Question

3) A tank can hold 50 liters of water. Al present, it is only 30 % full. How many liters of water shall I

pit in the tank, so that it is 50 % full?

(a) Five times a number is a _

(b) The cost price of 10 cardboards is same as Selling price of 5 cardboards. The profit % in this

o 11Crease in the number

transaction is

of the item (c) The discount on an item is calculated on the

(d) is charged on the sale of an item by government and is added to the bill amount​

Answer 1

Answer:

Capacity of tank=50litres.

30% of capacity=30% of 50 litres

=

100

30

×50=15 litres

50% of capacity=50% of 50 litres

=

100

50

×50=25 litres

Water need to bring it to 50% capacity=25−15=10 litres.

Step-by-step explanation:

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Answer 2

Answer:30% of the total capacity will be=> 50*30/100 = 15 litres. we are required to fill it upto to 50%. So, 50% of the total capacity of the tank is=> 50*50/100 = 25 litres. therefore, amount of water to be put in the tank to get filled its desired amount is 25-15 = 10 litre