What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

81 x 9 = 801. What must you do to make the this equation true?

I have eight fingers and two thumbs but I do not live. What Am I?

You see me once in June, twice in November, and not at all in May. What am I?

Can you count the number of triangles in the given figure?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

When can we add 2 to 11 and get 1 as the correct answer?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

Find the 8 in the below-given Image.

Which is faster, Heat or Cold ? Explain.