A number is chosen at random from 10 to 30 both inclusive. What is the probability that the number is divisible by 3?

Express the product of 0.00043 and 2000 in standard form.

Solve for x in 8x-2 = 2/25

A man donates 10% of his monthly net earnings to his church. If it amounts to ₦4,500, what is his net monthly income?

A woman bought a grinder for ₦60,000. She sold it at a loss of 15%. How much did she sell it?

Evaluate Log28 + Log216 - Log24

Simplify \( \frac{2\sqrt{2}-\sqrt{3}}{\sqrt{2}+\sqrt{3}} \)

Find the value of 1101112 + 101002

If log7.5 = 0.8751, evaluate 2 log75 + log750