If two quantities p and q vary inversely with each other, then
(a) p/q remains constant. (b) p + q remains constant.
(c) p × q remains constant. (d) p – q remains constant.
If two quantities x and y vary directly with each other, then
(a) x/y remains constant. (b) x – y remains constant.
(c) x + y remains constant. (d) x × y remains constant.
100 persons had food provision for 24 days. If 20 persons left the
place, the provision will last for
(a) 30 days (b) 96/5 days
(c) 120 days (d) 40 days
Meenakshee cycles to her school at an average speed of 12 km/h
and takes 20 minutes to reach her school. If she wants to reach her
school in 12 minutes, her average speed should be
(a) 20/3 km/h (b) 16 km/h(c) 20 km/h (d) 15 km/h
Both x and y are in direct proportion, then x/1 and y/1 are
(a) in indirect proportion.
(b) in inverse proportion.
(c) neither in direct nor in inverse proportion.
(d) sometimes in direct and sometimes in inverse proportion.
Which of the following vary inversely with each other?
(a) speed and distance covered.
(b) distance covered and taxi fare.
(c) distance travelled and time taken.
(d) speed and time taken.
Which quantities in the previous question vary inversely with each
other?
(a) x and y (b) p and q (c) r and s (d) u and v
By travelling at a speed of 48 kilometres per hour, a car can finish a
certain journey in 10 hours. To cover the same distance in 8 hours,
the speed of the car should be
(a) 60 km/h (b) 80 km/h (c) 30 km/h (d) 40 km/h
A truck needs 54 litres of diesel for covering a distance of 297 km.
The diesel required by the truck to cover a distance of 550 km is
(a) 100 litres (b) 50 litres (c) 25.16 litres (d) 25 litres
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