Quantitative Aptitude - Arithmetic Ability Questions

Find the LCM of 0.63, 10.5, 2.1, 4.20

What is the y – intercept of the linear equation 59x + 14y – 112 = 0?

A trader buys 800 kgs of tomatoes for Rs 7200. 10% tomatoes are damaged in transportaion. At what rate (Rs/Kg) should he sell the rest to earn 30% profit?

The value of cos220°+cos270° is

If sin θ + sin 5θ = sin 3θ and 0 < θ < (π/2), then what is the value of θ (in degrees)?

For x = 462+3, what is the value of x+22x-22+x+23x-23

The diameter of a circle is equal to the side of the square. What is the area of the square if the area of the circle is 64π sq cm?

The marked price of a helmet is 30% more than its cost price. If the helmet is sold for Rs 744 after a discount of Rs 36, then what will be the profit percentage?