Which is the rope you never skip with?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

A man dies of old age on his 25 birthday. How is this possible?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

Which city is three-fifths chick two third cat and 50% goat?

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?