In the given figure, TP and TQ are tangent. If ∠ PAQ=50° then find the value of ∠ PTQ.

Directions: Given table shows the data of population in 5 different parks. Study the data carefully and answer the questions.

What is ratio of male population in park A & D together to female population in park B & E together?

Introduction a boy, a girl said, "He is the son of the sister of my mother's brother." The girl has no real brother. How is that boy related to that girl?

Which one of the following lakes in India has the highest water salinity?

Which one of the following is not correctly matched – 

Which of the following instruments has its strings made of horse - hair?

A and B together can complete a job in 8 days. Both B and C, working alone can finish the same job in 12 days, A and B commence work on the job, and work for 4 days, where upon A leaves , B continues for 2 more days , and then he leaves too, C now starts working, and finishes the job. How many days will C require to finish the remaining work? 

What is the basic structure of an economy?