Quantitative Aptitude - Arithmetic Ability Questions

The ratio of the number of marbles that Joyee and Minati had was 5 : 8 while the ratio of the number of marbles that Jacob and Minati had was 7 : 12. What is the ratio of the number of marbles that Joyee and Jacob had?

The price of an article is cut by 31%, to restore to its original value, the new price must be increased by

What is the value of cosec 5π/3?

A sum of Rs. 4000 is lent out in two parts, one at 8% simple interest and the other at 10% simple interest. If the annual interest is Rs. 352. The sum lent at 8% is

What should be the average speed of the car to cover a distance of 342 km in 1.9 hours?

Determine the value of 'x' when 3x3 = 27

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?

If two successive discounts of 50% and 10% are offered, then what is the net discount (in %)?