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?

What is the area (in sq cm) of a rectangle if its diagonal is 51 cm and one of its sides is 24 cm?

The area of a circle is 616 sq.m. Find its diameter.

If x = 1.1, then what is the value of 4x2 -4x + 1 ?

If θ is acute angle and tan θ – cot θ = 0, then what is the value of tan26θ + cot100θ?

If a(x + y) = b(x - y) = 2ab, then the value of 2(x2 + y2)

Select the odd word/letters/number/number pair from the given alternatives.

Anil can do a piece of work in 14 days which Rohit can do in 21 days. They worked together for few days after which Anil left. If Rohit worked alone for 3 days, find the total number of days it took to complete the whole work.