CHENNAI: MBBS vacancies under the Medical Counselling Committee (MCC) increased to 946 for the special stray round, up from 837 left unallotted after the previous stray round.Officials said the additional vacancies arose after 109 candidates failed to join their allotted colleges during the stray round.Tamil Nadu accounts for 688 vacancies and Puducherry 187, together making…

At 14, Gujarat teenager Ayan Mohsin Vahora calculates 100 square roots in 1 minute 39 seconds; here’s the abacus technique he used. (Photo: IG) Solving the square root of a four-digit number can take time, even for students comfortable with mathematics. Now imagine calculating the square roots of 100 such numbers and writing every answer…