TCS Company Logical Reasoning Missing Character

If:
212 = 6,
327 = 9,
624 = 4,
330 = 10,
Then: 515 = ??

Read Solution (Total 20)

TCS Other Question

An elevator starts with 5 person on board and goes up 5 floors...
What is the probability that all 5 passengers are on a different floor?
a>24/109
b>55/412
c>10/512
d>none of these
find 1!+2!+3!+..........+50!?