I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

What question can you never answer yes to?

You walk into a room and see a bed. On the bed, there are two dogs, five cats, a giraffe, six cows, and a goose. There are also three doves flying above the bed. How many legs are on the floor?

There is a circular car race track of 10km. There are two cars, Car A and Car B. And they are at the exact opposite end to each other. At Time T(0), Both cars move toward each other at a constant speed of 100 m/seconds. As we know both cars are at the same speed they will always be the exact opposite to each other.
Note, at the center, there is a bug which starts flying towards Car A at time T(0). When the bug reaches car B, it turns back and starts moving towards the car A. The speed of bug is 1m/second. After 5 hours all three stop moving.
What is the total distance covered by the bug?

How many triangles can you find in this given picture?

Find out the missing number in the picture attached:

Count the number of triangles in the given picture.

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?