Question

please solve it with details​

Answer 1

Answer:

try doing rd

Step-by-step explanation:

you will get all the questions u are not getting with full explanation

Answer 2

Answer:

(4) 45 minutes

Step-by-step explanation:

tap i 30 min.so 5min -- 5/30 -- 1/6

tap ii 60 min.so 5 min--5/60 --1/12

total in 5 min-- 1/6+1/12 -- 1/4

remaining tank -- 3/4

now only tap ii working

so base 12

3/4 -- 9/12

9 * 5min -- 45