In a circle, difference between the circumference and radius is 37 cm. Find the area (in cm²) of the circle?

LCM of two numbers is 2079 and their HCF is 27. If one of the numbers is 189, the other number is

A number which when divided by 10 leaves a remainder of 9 , when divided by 9 leaves a remainder of 8 , and when divided by 8 leaves a remainder of 7 , is :

For an equilateral triangle, the ratio of the in-radius and the outer- radius is

Evaluate 743 x 999.

If the purchase price of an article is equal to 80 percent of its selling price then there will be profit.

Two people A and B started their journey from P to Q and Q to P respectively. After crossing each other, A and B completed the remaining part of their journey in 3 hour 20 mins and 4 hours 48 mins respectively. If the speed of B is 80 km/hr, then find the speed of A in (km/ hr)? 

At what rate per annum will Rs. 32000 yield a compound interest of Rs. 5044 in 9 months interest being compounded quarterly?