What English word has three consecutive double letters?

What does below rebus means ?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

There was once a troop of 5 elves. The 5 elves were very dedicated on finding the magical treasure of 1000 coins. However, being elves, they were super geniuses, very greedy and they did not hesitate in taking lives of other elves. The 5 elves were named Aye, Bee, Cee, Dee and Ee, ranked from high to low respectively, from Aye to Ee. One fine day, their efforts brought results and they found 1000 coins. Now they had to split it in between them as per their ranks. The lowest ranked elf has to make the proposal. If the proposal is accepted by majority, it is agreed, or the suggesting elf is killed.

What proposal should elf Ee make ?

How many words can a pen with half refill write?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

What does this Rebus Picture means ?

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

What jumps when it walks and sits when it stands?