Challenger App

No.1 PSC Learning App

1M+ Downloads
If the diameter of a circle is increased by 100%, its area increased by how many percentage?

A200

B500

C300

D100

Answer:

C. 300


Related Questions:

The salary of A is 80% more than B while the salary of C is 25% less than the total salary of A and B together then find what is the salary of C if B’s salary is Rs. 45000?
After deducting 60% from a certain number and then deducting 15% from the remainder, 1428 is left. What was the initial number?
If 10% of 24% of x is 240, then x = ?
If 50% of x = 30% y, then x : y is
A batsman scored 160 runs which includes 15 boundaries and 6 sixes. What percentage of his total score did he make by running between the wickets ?