Arithmeticmedium · Past Paper
Find x if 20% of x is equal to 40% of 10.
A10
B20
C30
D40
✓ Correct Answer: B — 20
0.2x = 0.4 * 10 => 0.2x = 4 => x = 4 / 0.2 = 20.
Share this question
More from Arithmetic
- A shopkeeper sells 12 pens and gains the selling price of 2 pens. Find the gain percentage.
- Selling price of a shirt is Rs. 700 and profit is Rs. 50. Find cost price.
- A man sold an article at 20% profit. Had he sold it for 20% loss, the SP would have been Rs. 100 less. Find CP.
- At what price should a merchant mark a suit costing Rs. 3,000 so that after a 10% discount, he gets 20% profit?
- A sum was put at SI at a certain rate for 3 years. Had it been put at 2% higher rate, it would have fetched Rs. 360 more. Find the sum.