You need to arrange three 7 and mathematical symbols to form number 1?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Can you find out the total number of triangles in the given figure?

Solve the following series:
AZ, GT, MN, __, YB

At a bar, three friends, Mr Green, Mr Red and Mr Blue, were having a drink. One man was wearing a red suit; one a green suit; and the other a blue suit. 'Have you noticed,' said the man in the blue suit, 'that although our suits have colours corresponding to our names, not one of us is wearing a suit that matches our own names?' Mr Red looked at the other two and said, 'You're absolutely correct. What colour suit is each man wearing?

How many runs at maximum can a batsman score in a normal one-day match? Consider the fact that the conditions are ideal and there are no No Balls, no Wide Balls and no Extras in that match.

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?