If one shirt is offered on the purchase of 4 shirts. Find the net discount.

Manu works 3 times as fast as Raju. If Raju can complete a job alone in 60 days, then in how many days can they together finish the job?

A, B , C can finish a work in 10, 12, and 15 days respectively. They start working together. If B stops after 2 days, how long would it take A and C to finish the remaining work

Six years ago, the ratio of the ages of Kunal and Sagar was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10. What is Sagar's age at present?

If 40% of a number is equal to 3 / 5th of another number, what will be the ratio of the first number and the second number?

If a chord of length 30 cm is at a distance of 8 cm from the center of the circle, then the length of the chord of the same circle which is at a distance of 15 cm from the center is equal to

Find the value of $$ {\sqrt{(cos^{2}20°+cos^{2}70°)}}$$

1, 3, 5, 7, ………total average of 25^th number  is: