Can you find the odd number in the following?

2716, 4135, 5321 and 7145

who is silent in the parliament?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

What does this rebus puzzle means ?

There are six people in a family namely M, N, O, P, Q and R.

R and O are brother and sister.

N is the brother of Q's husband.
P is the father of M and grandfather of R.

How many male members are in the family?

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

what does the below rebus means?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.