The value of $$ {2(1-sin^{2}θ)}+{2(1-cos^{2}θ)}$$. 

किस विकल्प में शब्द-युग्म का अर्थ-भेद सही नहीं है?

A borrowed Rs.1500 at 4% per annum and Rs.1400 at 5% per annum for the same period. He paid Rs.390 as total interest. Find the time for which he borrowed the sum.

The Harappans were at the fore in the production of which item?

Maharashtra government has announced how many Zilla Parishad schools to be converted into model schools?

If a side of a square is a, then what will be the area of the square on its diagonal?

Who discovered Cathode rays?

When and where was the national anthem first sung?