The average age of father and his son is 22 years. The ratio of their ages is 10 : 1 respectively. What is the age of the son?

If - means ×, × mean000000s +, + means ÷ and ÷ means -, then
4 × 4 + 16 - 16 ÷ 30 = ?

If 29$64=1, 87$25=8, then what is the value of 89$62=?

Sam ranked is 9th from the top and thirty-eighth from the bottom in a class. How many students are there in the class?

Study the following figure and answer the following questions.

1. Here the big triangle shows the artists.

2.Short represents triangular scientists.

3. The square refers to dancers.

4.The Circle refers to the doctors.

Which letter represents artists who are neither doctors, nor scientists nor dancers?

Complete the following series.
12, 8, 14, 6, 16, ?

Given set
14, 20, 3 

DIRECTIONS: Study the following information and answer the questions given below.
Vishal, Rohan, Anu, Yogendra, Akash and Ritu stay on different floors of a six-storey building (ground floor is numbered as floor 1 and top floor is numbered as floor 6).Each of them plays one of the following games: Golf, Hockey, Squash, Tennis, Chess and Volleyball, but not necessarily in the same order. Rohan stays on floor 4 and he plays neither Chess nor Volleyball. The one who plays Hockey stays on floor 3. Akash plays Tennis and he doesn’t stays on either floor 1 or 6. Anu stays on floor 2 and plays Squash. Yogendra plays Volleyball but neither he nor Ritu stays on floor 1.

Who plays Golf?