Quantitative Aptitude - Arithmetic Ability Questions

For which value of ‘g’ the linear graph of 6x + 12y +9 = 0 and 2x + gy + 3 =0 has infinite number of solutions?

If 16% of an electricity bill is deducted, Rs 1806 is still to be paid. How much was the bill?

The measures of the four angles of a quadrilateral are in the ratio 1:2:3:4. What is the measure of the biggest angle?

A's income is 25% more than B's income. B's income is what percent of A's income?

2cos[(C+D)/2]sin[(C-D)/2] is equal to

If θ be positive acute angle and 5cosθ + 12sinθ = 13, then the value of cosθ is

A can do a work in 12 days and B in 24 days. If they work on it together for 4 days, then what fraction of work is left?

Two water squash mixtures, the first with a water-to-squash ratio of 5:1 and the letter with a ratio of 3:1 are blended in the ratio 3:2. What is the final water : squash ratio in the blend?