Arithmeticmedium · Past Paper
The ratio of boys and girls in a school is 9:5. If there are 160 more boys than girls, find the total number of students.
A560
B400
C320
D450
✓ Correct Answer: A — 560
9x - 5x = 160 => 4x = 160 => x = 40. Total = 14x = 14 * 40 = 560.
Share this question
More from Arithmetic
- A trader marks his goods 20% above CP and allows 10% discount. Find his profit percentage.
- A reduction of 20% in the price of sugar enables a person to purchase 5kg more for Rs. 600. Find the original price per kg.
- A side of a square is increased by 25%. Its area is increased by:
- If interest is compounded quarterly, the rate used in the formula is:
- Selling price of an article is Rs. 240 and profit is 20%. Find the profit.