Arithmetichard · Past Paper
If length, breadth and height of a cube are all increased by 10%, the volume increases by:
A30%
B33.1%
C31%
D100%
✓ Correct Answer: B — 33.1%
New volume = (1.1)^3 = 1.331. Increase is 0.331 = 33.1%.
Share this question
More from Arithmetic
- The ratio of students in three classes is 2:3:5. If 20 students are increased in each class, ratio becomes 4:5:7. Total students initially:
- A sum of money is borrowed and paid back in two equal annual installments of Rs 882 each, allowing 5% compound interest. Find the sum borrowed.
- If an item is marked at Rs. X and sold at Rs. Y after a 20% discount, find X if Y is Rs. 400.
- Calculate 5% of 200.
- If x:y = 5:8 and y:z = 4:7, then find x:y:z.