If the circumradius of an equilateral triangle ABC is 8 cm, then what is the height of the triangle?

A works 7 hours a day at the rate of 180 per hour. B works 5 hours a day at the rate of 160 per hour. What is the ratio of daily earnings of A and B?

The two vowels touch each other internally. Their radii are 2 cm and 3 cm. What will be the length of the largest chord of the bigger circle outside the inner circle?

If the price of tickets is increased in the ratio 8 : 11 then the number of tickets sold falls in the ratio 23 : 21 then what is the increase in the revenue, if the revenue before the increase in the price of the ticket was Rs 36,800 ?

A can do 50% of a work in 16 days, B can do 1/4 of the same work in 24 days. In how many days will they complete 3/4th of the work working together?

What is a point at equidistant from the vertices of a triangle called?

Which of the following scientists was associated with the first nuclear explosion in Pokharan?

Match the following:
 (a) Marwar     (i) Sisodiya

(b) Mewar      (ii) Rathore

(c) Amber       (iii) Hada

(d) Bundi        (iv) Kachwaha