Two cyclists start from the junction of two perpendicular roads, there velocities being `3um//m in` and `4um//m in` , respectively. Find the rate at which the two cyclists separate.

Two cars start moving from the junction point of two perpendicular roads with velocity 30 km/h and 40 km/h. The rate at which thay are separating is

Two men Pa n dQ start with velocity u at the same time from the junction of two roads inclined at 45^0 to each other. If they travel by different roads, find the rate at which they are being separated.

Two finite sets A and B have m and n elements respectively. Find the maximum and minimum elements are in A cupB.

Two men have velocities of 4 m/s towards east and 3 m/s towards south, respectively. The velocity of the first man relative to the second is

Two waves form 10 beats in 3 s in a gas. The wavelengths are 1 m and 1 . 0 1 m , respectively . Find out the velocity of sound in the gas .

If the angle, fo depression of two conseutive mile stones on a road from an aeroplane are 60^(@) and 30^(@) respectively. Find the height of the aeroplane, (i) when the two mile stone stand on opposite side of the aeroplane, (ii) when the two stones stand on the same side of the aeroplane.

If the A.M. and H.M. of two numbers are 15 and 9(3)/(5) respectively, find the numbers.

Two velocities vecv_1 and vecv_2 are 3m/s towards north and 4m/s towards east , respectively. Find vecv_1-vecv_2 .