The curved surface area of cylindrical pillar is $$ {264 m^{2}}$$ and its volume is $$ {924 m^{3}}$$. Find the ratio of its diameter to its height.

India and which country has inked Protocol to start trade negotiations?

बैठि रही अति सघन वन, पेठि सदन तन माह।
देखि दुपहरी जेठ की, छाँहोचाहति छाँह।।
पंक्तियों में शब्द शक्ति है-

Read the passage carefully and give the answer of following questions.

Smile, they say, and soon there will be miles and miles of smiles. If we keep __(A)_ourselves and do not mix with others, we shall soon be left alone to ponder __(B)__the misfortunes of life. Nobody likes to come across a _( C) _and self-centred person. People __(D)__gregarious and outgoing souls who are prepared to share their Joys and sorrows vanish if they have the capacity to laugh away their problems and miseries

Mark your answer at (B).

 _____Secures No 1 spot for eighth time in his career in Lawn tennis recently

A potentiometer is considered a versatile and accurate device to make an electrical measurement of EMF. Why?

When is International Labor Day celebrated?

Select the related word/letters/number from the given alternatives.

25: 260 : : 30 : ?