Quantitative Aptitude - Arithmetic Ability Questions

If 25% of an electricity bill is deducted, Rs 1788 is still to be paid. How much was the bill?

Area of _____ equals half the product of its diagonal.

If secA = x, then the value of x is

Choose the CORRECT option if the two sides of a triangle is of length 4 cm and 10 cm and the length of its third side is a cm.

The average marks obtained by Raghav in 12 tests is 24. Zubeida has maintained an average of 23 so far but has taken only 9 of the tests. If each test is out of 30, at least how much Zubeida score in any one of the remaining three tests to still have a chance to match Raghav's performance?

A sum of Rs 400 becomes Rs 448 at simple interest in 2 years. In how many years will the sum of Rs 550 amounts to Rs 682 at the same rate?

If sec -7π/4 = x, then the value of x is

The ratio between the speeds of two buses is 11:9. If the second bus runs 270 kms in 15 hours, then the speed of the first bus is?