The midpoints of AB and AC of a triangle ABC are X and Y respectively. If BC + XY = 12 units, then BC – XY is:

A can do a piece of work in 10 days and B can do it in 15 days. They work together for 5 days, the rest of the work is finished by C in two more days. If they got ₹ 6000 as wages for the whole work, then find the daily wages of A, B and C.

The difference of the circumference and radius of a circle is 37 cm. Area of the circle is

The point P(a, b) is first reflected in origin to P1 and P1 is reflected in Y-axis to (4, -3). What are the coordinates of point P? 

A boat travel 240 km downstream in 3 hours and the time is taken by the boat to travel the same distance in upstream in 6 hours. Find the speed of stream (in kmph).

The HCF and LCM of two numbers are 12 and 924 respectively. Then the number of such pairs is: 

The shadow of the tower becomes 60 meters longer when the altitude of the sun changes from 45 ° to 30 °. Then the height of the tower is 

There are 11 members in a family out of which there are 4 males and remaining females. The family has hired three cars for a trip to zoo. The members are to be seated in the cars in such a way that there are not more than four members in one car and there is at least one male in each car. How many different ways can the members travel?