When can we add 2 to 11 and get 1 as the correct answer?

Why is the Hole below a Lock?

Find the next number in the following series:
6, 14, 26, 98, __?

I am sure no one can have two things for dinner. what are they?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.