$\frac{1}{7}$ of $49$ litre $=$ ____litre

Q. Find the ratio of the first quantity to the second.
(1) 25 beads, 40 beads (2) 40 rupees, 120 rupees (3) 15 minutes, 1 hour
(4) 30 litres, 24 litres (5) 99 kg, 44000 grams (6) 1 litre, 250 ml
(7) 60 paise, 1 rupee (8) 750 grams, $\frac{1}{2}$kg (9) 125 cm, 1 metre

Q. Calculate 1 − 2 + 3 − 4 + 5 − 6 + 7 − 8 + ... + 49 − 50.

Q.

A car runs $16km$ using $1$ $\text{litre}$ of petrol. How much distance will it cover using $2\frac{3}{4}$ $\text{litre}$ of petrol?

Q. Cost of 3 5/7 litres of oil is ?83 1/2 find the cost of one litre of oil?

Q. A bucket holds 25 litre of water. It has 17 litre 250 ml in it. How much more water it can hold?