Question

a man sold a watch for 79 20 and gained 10% the cost price of the watch was
none of these
7200
7128
7184​

Answer 1

Answer:

CP=

$\frac{100}{100 + 10} \times 7920 \\ \frac{100}{110} \times 7920 = 7200$

The CP is Rs 7200

Step-by-step explanation:

Hope it helps...

Answer 2

Step-by-step explanation:

5. The square root of 49 is

a) 7

b) 14

c) 19

d) None

step by step explanation .

i will like you and mark as brainlist

answer 7 by prime factorisation PLEASE MARK ME BRAILEIST ONLY 1 AND I WILL REACH ON VIRTUOSO