Why 11th May is called Tech Day ?

11th July is celebrated as:

Raman remembers that the examination is after 15th May but before 18th May, while Deep remembers that the examination is before 21sty May but after 16th May, On which date of May is the examination?

Why was science called natural philosophy in earlier days?

Why Class 11th is Very Important?

11th and 12 the pairs of ribs are called

Meeta correctly remembers that her father's birthday is after 8th July but before 12th July. Her brother correctly remembers that their father's birthday is after 10th July but before 15th July. On which day of July was definitely their father's birthday ? 1) 10th 2) 11th 3) 10th or 11th 4) Can't be determined 5) None of these