Question

pls help questions are inside

Answer 1

Answer 1= Option- B = 18 minutes

.

Answer 2= Option- D = 8/15

.

Answer 3= Option- A = 450 cm

.

Please see the detailed answer in picture.

.

$\huge\bold{\mathtt{\purple{ H{\pink{ o{\green{ p{\blue{ e{\red{ .{\orange{ i{\purple{ t{\pink{ s{\green{ .{\blue{ H{\red{ e{\purple{ l{\pink{ p{\green{ .{\blue{ U}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}$