Can you solve below mathematical equation?

2^1234 - 2^1233

Find the next number in the series below

21 32 54 87 131 ?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

What part of Turkey has the most feathers?

What is the longest word in the dictionary?

Why did the Girl throw the butter out of the window?

What does this rebus riddle means ?

1. Where does Easter come from before Valentine's Day?

2. Do you know what is in the middle of Valentine's?

3. What did the lady bee say to the man bee on the occasion of Valentine's Day

Which digit occurred maximum times between the number 1 and 1000?