- A110
- B200
- C90
- D100
Step-by-Step Solution
The 30 litres added corresponds to 70% - 40% = 30% of the capacity. So 30% of capacity = 30 litres, capacity = litres.
Answer: D) 100
A water tank is 40% full.
When 30 litres more water is added, it becomes 70% full.
What is the full capacity of the tank in litres?
Class 7Ratios and PercentagesComparing Quantities
Master this chapter in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Ratios and Percentages practice questions
More Class 7 Ratios and Percentages practice
Anil's monthly salary is ₹20000. He spends 25% on rent and 40% of the remaining on food.…The ratio of the number of ₹5 stamps to ₹10 stamps with Ramu is 7 : 3. The total value…In a class election, candidate A got 55% of the votes and candidate B got the rest. A…The length and breadth of a rectangular field are in the ratio 5 : 3. The perimeter is…A trader marks the price of a fan 25% above its cost price of ₹1600. He then gives a 10%…