Question

After 25 litres of diesel was added to a partially filled fuel tank, the tank was 75% full. If the tank's capacity is 56 litres, then the number of litres in the tank before adding the diesel was:
a. 11
b 12
c. 13
d. 14
e. 15
f. 16
7. 17

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Answer 1

given total capacity of tank =56

capacity of tank is equal to 75%

।। 75% of 56=42L

the number of litre in the tank before adding the diesel is equal to 42 - 25 equal to 17 L

Answer 2

Answer:

Let first find the 75 persent of 56 is equal to

56 × 3/4 = 42

It means before filling 25 litres of diesel there was already :>

42 - 25 = 17.

Hence there was already 17 litres diesel after filling 25 litres in it.