'अभ्यस्त' का

The simple interest accrued on a sum at the rate of 10% p.a. for two years is Rs. 5,000.

If x sin³ θ + y cos³ θ = sin θ cos θ and x sin θ − y cos θ = 0, then the value of x² + y² equals

There are 6 blue pens, 5 black pens and 4 green pens in a bag. Three pens are chosen randomly.

If x² + y² + 2x + 1 = 0, therefore the value of x³¹ + y³⁵ is

The expression of (cot θ + cosec θ −1) / (cot θ − cosec θ+1) is equal to

10 women and 12 men complete a certain piece of work in 30 days, if each women takes thrice the time taken by a man to finish the work.

The value of the expression (1 + sec22° + cot68°)(1 – cosec22° + tan68°) is

An urn contains 3 green, 5 blue, 6 black and 4 yellow marbles.

If 3x + 5y + 7z = 49 and 9x + 8y + 21z = 126, then what is the value of y?

If 2y cos θ  = x sin θ  and 2x sec θ -  y cosec θ  = 3, then the value of x²+ 4y² is