Quantitative Aptitude - Arithmetic Ability Questions

If 31% of an electricity bill is deducted, Rs 1794 is still to be paid. How much was the original bill amount?

Find the simple interest on Rs. 50 for 6 months at the rate of 10 paise per rupee per month.

X can finish 25% of a work in a day. Y can do 12.5% of the same work in a day. In how many days, will both of them finish the work together?

A boy buys 5 pencils at Rs 3 each, 3 erasers at Rs 2 each and 3 sharpeners at Rs 5 each. What is the average expenditure (in Rs) per article?

If x2+1x2 = 98, then x3+1x3 = ?

If P = 22 + 62 + 102 + 142 + ... 942 and Q = 12 + 52 + 92 + ... 812, then what is the value of P – Q?

Product of 6ab, 3b and 4a is

If the equation 4x + 3y + 5 = 0 and 6x - ky - 7 = 0 have no solution, then the value of k is