Bay of Bengal is in which state?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

I have teeth but i don't bite. Who Am I ?

Using eight eights and addition only, can you make 1000?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

I have branches, but no fruit, trunk or leaves. What am I?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

How many triangles can you count in the figure given?