A cube of edge 10 cm is fully submerged in a cuboidal tank with base 20 cm x 20 cm partly filled with water. By how many cm does the water level rise (no overflow)?
Class 8Volume of SolidsMensuration
A2.5
B5
C3.5
D1.5
Step-by-Step Solution
Displaced volume = 103=1000cm3. Rise = 1000 / (20×20)=4001000=2.5 cm.
Answer: A) 2.5
Master this chapter in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.