A tank is 1/3 full. After 20 litres are added it is 1/2 full. What is the capacity of the tank?
A60 litres
B80 litres
C100 litres
D120 litres
Answer & Solution
Correct answer: D. 120 litres
1/2 minus 1/3 is 1/6 of the tank, which is 20 litres, so the full tank is 120 litres.
Keep practising Fractions and decimals
Browse all Fractions and decimals questions for Olympiad (Class 5), or explore more Mathematics topics.
Related questions
In a school, 60 of the students are girls and they are 60% of all students. How many studeWhich of these numbers is the smallest?How many times does 0.01 go into 0.1?A price rises by 20% and then falls by 20%. How does the final price compare with the firsIf 3 litres of juice are shared equally by 4 children, how many litres does each get?What do we get by adding 0.1 ten times?Which decimal lies between 0.3 and 0.4?Which fraction lies between 1/4 and 1/2?