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If the price of petrol, diesel and LPG is slashed as follows:
Fuel Old prices/ New price/ % Decrease
litre (in Rs) litre (in Rs)
Petrol / L 45.62 40.62 ___
Diesel / L 32.86 30.86 _
LPG/14.2kg 304.70 279.70 _____
Complete the above table

Solution:

To complete the table the following calculations need to be done:

Petrol/L: Percentage Decrease = [(45.62 - 40.62)/45.62] × 100 = [5/45.62] × 100 = 10.96%

Diesel/L: % Decrease = [(32.86 - 30.86)/32.80] × 100 = [2/32.86 × 100 = 6.09%

LPG/14.2kg % Decrease [(304.70 - 279.70)/304.70] × 100 = [25/304.70] × 100 = 8.20%

The table will be completed as:

Fuel Old prices/ New price/ % Decrease

litre (in Rs) litre (in Rs)

Petrol / L 45.62 40.62 10.96%

Diesel / L 32.86 30.86 6.09%

LPG/14.2kg 304.70 279.70 8.20%

✦ Try This: If the price of petrol, diesel and LPG is slashed as follows:

Fuel Old prices/ New price/ % Decrease

litre (in Rs) litre (in Rs)

Petrol / L 46.62 42.62 _______

Diesel / L 34.86 31.86 _______

LPG/14.2kg 305.70 280.70 _______

Complete the above table.

To complete the table the following calculations need to be done:

Petrol/L: % Decrease = [ (46.62 - 42.62)/46.62] × 100 = [4/46.62] × 100 = 8.58%

Diesel/L: % Decrease = [ (34.86 - 31.86)/34.86] × 100 = [3/34.86 × 100 = 8.61%

LPG/14.2kg % Decrease [(305.70 - 280.70)/305.70] × 100 = [25/304.70] × 100 = 8.2%

The table will be completed as:

Fuel Old prices/ New price/ % Decrease

litre (in Rs) litre (in Rs)

Petrol / L 46.62 42.62 8.58%

Diesel / L 34.86 31.86 8.61%

LPG/14.2kg 305.70 280.70 8.2%

☛ Also Check: NCERT Solutions for Class 8 Maths

NCERT Exemplar Class 8 Maths Chapter 9 Problem 93

If the price of petrol, diesel and LPG is slashed as follows: Fuel Old prices/ New price/ % Decrease litre (in Rs) litre (in Rs)Petrol / L 45.62 40.62 ___ Diesel / L 32.86 30.86 _ LPG/14.2kg 304.70 279.70 _____. Complete the above table

Summary:

The table will be completed as 8.21% decrease in LPG price

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