Exams

If sinθ+cosθsinθ-cosθ=3,then the value of sin4θ-cos4θ is

Which of the following causes fly ash?

If demand curve for house cleaning services is D = 45000 - 21P and supply curve is S = 15000 + 9P, find the equilibrium Quantity?

When 0.151515.....is converted into a fraction, then the result is

A sum of Rs 6000 becomes Rs 7200 in 2 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 3 years?

Which of the following diagram represents the relationship among Tall men, Black haired, Indians?

While selling a watch, a shop-­keeper gives a discount of 5%. If he gives a discount of 7%, he earns Rs.15 less as profit. The marked price of the watch is

Coefficient of x2in (x + 9)(6 - 4x)(4x - 7) is