Yes the reproductive health has tremendously improved in India in the last 50years. The areas of improvement are as follows.
(1) Massive child immunization programme which has lead to a decrease in the infant mortality rate.
(2) Maternal and infant mortality rate which has been decreased drastically due to better post natal care.
(3) Family planning which has motivated people to have smaller families.
(4) Use of contraceptive which has resulted in a decrease in the rate of sexually transmitted diseases and unwanted pregnancies.

A ladder of fixed length \( h \) is to be placed along the wall such that it is free to move along the height of the wall.
Based upon the above information, answer the following questions:
(iii) (b) If the foot of the ladder, whose length is 5 m, is being pulled towards the wall such that the rate of decrease of distance \( y \) is \( 2 \, \text{m/s} \), then at what rate is the height on the wall \( x \) increasing when the foot of the ladder is 3 m away from the wall?
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