Solve This (? + ? + ?=30)

If 1111=R, 2222=T, 3333=E, 4444=N Then 5555=?

Guess the Hindi Muhawara from the following whatsapp Emoticons?

Sweet, Medicine, Film, Girl, City, Car, Place, Doggy all are name same, guess which word it is?

Guess me who am I, I am the first on earth, the second in heaven...

Under what condition a rhombus can be called square?

The primary difference between a square and a rhombus is a square has four 90-degree angles, while a rhombus does not have any right angles. The sides of a square are perpendicular to one another, unlike the sides of a rhombus.

Can anyone Name some metric system?