Why is a river so rich ?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Whats the next number in the below number sequence pattern.

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

I can be cracked, made, told, and played. What am I?

There are two beautiful yet remote islands in the South Pacific. The Islanders born on one island always tell the truth, and the Islanders from the other island always lie.
You are on one of the islands and meet three Islanders. You ask the first which island they are from in the most appropriate Polynesian tongue, and he indicates that the other two Islanders are from the same island. You ask the second Islander the same question, and he also indicates that the other two Islanders are from the same island.
Can you guess what the third Islander will answer to the same question?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

Who are the happiest people in IPL match?