How much does one need to add to $$\frac{2}{3}$$ to obtain $$\frac{3}{2}$$ ?

Find the range of the data 2, 1, 2. 3, 5, 4. 7, 3, 5, 2, 4.

A sum of money invested for 4 years and 9 months at a rate of 8% simple interest per annum became ₹ 1,035 at the end 0 of the period. What was the sum that was initially invested?

Consider the following statement and decide which of the conclusions follow from the statement.
Statement:
Cycling is a good form of exercise.
Conclusions:
I. Those who don't cycle are all unhealthy.
II. All those who cycle will never fall ill.

One tap fills up a tank in two hours and the second tap empties it in 3 hours. How long will the tank take to get filled up if both the taps start functioning simultaneously ?