Arithmeticmedium · Past Paper
Two numbers are in ratio 7:11. If 7 is added to each, the ratio becomes 2:3. Smallest number is:
A49
B77
C63
D35
✓ Correct Answer: A — 49
(7x+7)/(11x+7) = 2/3 => 21x + 21 = 22x + 14 => x = 7. Smallest number 7x = 49.
Share this question
More from Arithmetic
- A man buys 10 articles for Rs. 8 and sells them at Rs. 1.25 per article. His gain % is?
- If 70% of students in a school are boys and the number of girls is 504, find the number of boys.
- A table is sold at a profit of 10%. Had it been sold for Rs. 30 more, the profit would have been 15%. CP =?
- A property depreciates by 10% of its value at the beginning of each year. If its value at the end of 3 years is Rs 729, find its original value.
- If 10% of a number is added to itself, it becomes 132. The number is: