For the following questions answer them individually
AC is the diameter of the circle. B is a point on the circumference. If angle BAC is $$40^{\circ}$$, then what is angle BCA?
A fruit seller had some watermelons. He sells 45% of the watermelons and still has 495 watermelons left. How many watermelons be originally had?
The marked price of a chair is Rs. 1,650. This chair is sold at two successive discounts of 10 percent and 20 percent.
What is the selling price of chair?
Cotton requires ______ temperature, light rainfall or irrigation, ______ frost-free days and bright sun-shine for its growth.