______________ scheme launched by the Central Government plans to issue soil cards to farmers which will carry crop-wise recommendations of nutrients and fertilisers.

Presence of large amounts of nutrients in waters also causes excessive growth of _________ algae.

Which base is present in lime water?

D and E are the points on the sides AB and AC respectively of a ΔABC and AD = 8 cm, DB = 12 cm, AE= 6 cm and EC = 9 cm, then BC is equal to:

In triangle ABC, BAC = 90 deg and AD is perpendicular to BC. If AD = 6cm and BD = 4cm, then the length of BC is

If 3x+22x+1 = a2x+1+bx+2 be an identity, then the value of b

If a = √2 + 1 and b = √2 - 1, then the value of 1a+1+1b+1 will be

A man spends in 8 months as much as he earns in 6 months. He saves Rs. 6000 in a year. His average monthly income is