Question

14. The average marks of 5 boys is
increased by 4 when one of them whose
marks are 150 is replaced by another
boy. What are the marks of new boy?
(
A) 170 B) 160 C) 158 D) 182​

Answer 1

Answer:

Galvanisation or galvanization (or galvanizing as it is most commonly called) is the process of applying a protective zinc coating to iron or steel, to prevent rusting. The most common method is hot dip galvanizing, in which steel sections are submerged in a bath of molten zinc.

Step-by-step explanation:

ɪ ʜᴏᴘᴇ ɪᴛ ɪꜱ ʜᴇʟᴘꜰᴜʟ ꜰᴏʀ ʏᴏᴜ