In ∆XYZ, O is the orthocentre. If ∠YOZ=72°, then find ∠YXZ?

If   then find the value of ( p + q + r )³ ?

Directions: Choose the word that best expresses the groups of words out of four alternatives

A government runs by the crowds/ mass-

Pick out the word which is correctly spelt.

Convex mirrors are used as a rear view mirror in motor cycles because

The Ganga Action Plan was directed by

Direction: in each of the below given questions are given three statements followed by two conclusions. I and II. You have to assume the given statements to be true even if they seem different from generally known facts. Study all the conclusions and then decide which of the conclusions logically follows the given statements, whatever the generally known facts may be.

Statement:
I. All building are houses
II. No house is apartment
III. All apartments are flats

Conclusion:
I. All building are possibly flats.
II. All apartments are possibly buildings.

Direction: in each of the below given questions are given three statements followed by two conclusions. I and II. You have to assume the given statements to be true even if they seem different from generally known facts. Study all the conclusions and then decide which of the conclusions logically follows the given statements, whatever the generally known facts may be.

Statement:
I. All building are houses
II. No house is apartment
III. All apartments are flats

Conclusion
I. No flat is house.
II. No building is apartment.