Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

I have thought of a number that is made up by using all the ten digits just once. Here are a few clues for you to guess my number:

First digits is divisible by 1.
First two digits are divisible by 2.
First three digits are divisible by 3.
First four digits are divisible by 4.
First five digits are divisible by 5.
First six digits are divisible by 6.
First seven digits are divisible by 7.
First eight digits are divisible by 8.
First nine digits are divisible by 9.
The number is divisible by 10.

Can you find out the number ?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Solve the counting riddle by identifying the number of triangles in the given picture.

You bought me for dinner but never eat me. What am I?