1. Find the number of triangles in the given figure

 

2. Select the letter-cluster that can replace the question mark (?) in the following series.
ABC, ACE, ADG, ? , AFK

3. Find the missing number

4. Find the minimum number of straight lines required to make the given figure.

5. Ali is taller than Raman but shorter than Maria. Sumit is the shortest. Zaid is taller than Sumit but shorter than Raman. Who is the tallest?

8. Find the wrong number in the series.

1, 2, 6, 15, 31, 56, 91

9. Find the missing number

10. If white is called black, black is called red, red is called yellow, yellow is called green, green is called blue, blue is called violet and violet is called orange, what would be the colour of human blood?