If the duration of the atrial systole is 0.1 sec and that of complete diastole is 0.4 sec, then how does one cardiac cycle complete in 0.8 sec?

Two simple pendulums A and B are made to oscillate simultaneously and it is found that A completes 10 oscillations in 20 sec and B completes 8 oscillations in 10 sec. The ratio of the lengths of A and B is

The solution of the differential equation sec x dy - "cosec " y dx = 0 is

The edge of a cube is decreasing at the rate of 0.6 cm/ sec. Find the rate at which its volume is decreasing when the edge of the cube is 2 cm.

If the circumference of a circle changes at the rate of 0.2 cm/sec, then the rate of which its area is changing, when its radius is 8 cm is........ A) 0.8 cm^2 /sec B) 0.4 cm^2 /sec C) 1.6 cm^2 /sec D) 3.2 cm^2 /sec

If 5 sec theta - 12 cosec theta =0, find the values of sec theta, cos theta and sin theta .

If 3 sin theta - 4 cos theta = 0 , then find the values of tan theta , sec theta and cosec theta .

If 5 sin theta - 12 cos theta = 0 , find the values of sec theta and cosec theta .

If cycle wheel of radius 0.4 m completes one revolution in one second, then acceleration of the cycle is