Arithmeticmedium · Past Paper
Find the mean proportional between 0.08 and 0.18.
A0.12
B0.14
C0.16
D0.10
✓ Correct Answer: A — 0.12
Mean prop = sqrt(0.08 * 0.18) = sqrt(0.0144) = 0.12.
Share this question
More from Arithmetic
- The value of a car depreciates from Rs 500,000 to Rs 405,000 in 2 years. Find the annual rate of depreciation.
- What is 20% of 30% of 50% of 1000?
- The ratio of the number of sides of two regular polygons is 1:2 and the ratio of their interior angles is 3:4. The number of sides are:
- At what rate percent per annum will Rs. 230.40 amount to Rs. 250 in 2 years CI?
- A trader sells two types of rice at Rs. 24 and Rs. 30 per kg. In what ratio should he mix them to sell at Rs. 29.70 per kg making 10% profit?