The cost of diesel is ₹ 99 per litre. Find the approximate cost of filling a 40 L diesel tank.

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Solution

Cost of diesel = ₹ 99 per litre
99 can be easily rounded off to 100 for easy and simple calculation.
Volume of tank = 40 L
Approximate cost of diesel to fill the tank = ₹ 100 x 40
= ₹ 4,000

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The cost of diesel is ₹ 99 per litre. Find the approximate cost of filling a 40 L diesel tank.

Cost of diesel = ₹ 99 per litre 99 can be easily rounded off to 100 for easy and simple calculation. Volume of tank = 40 L Approximate cost of diesel to fill the tank = ₹ 100 x 40 = ₹ 4,000

Cost of diesel = ₹ 99 per litre
99 can be easily rounded off to 100 for easy and simple calculation.
Volume of tank = 40 L
Approximate cost of diesel to fill the tank = ₹ 100 x 40
= ₹ 4,000