 
 <translate> Q: At 15:00 there were 21 students in the computer lab. At 15:03 and every three minutes after that, 3 students entered the lab. If at 15:10 and every ten minutes after that 8 students left the lab, how many students were in the computer lab at 15:44 ?
Options:
(A) 7
(B) 14
(C) 25
(D) 27
(E) 30
A: (D) <hau> Tambaya: Da karfe 15:00 akwai dalibai 21 a dakin bincike na kwamfuta. Da karfe 15:03 da kuma kowane minti uku bayan haka, dalibai 3 sun shiga dakin gwaje-gwaje. Idan a 15:10 da kowane minti goma bayan haka dalibai 8 suka bar dakin gwaje-gwaje, ɗalibai nawa ne ke cikin dakin gwaje-gwaje na kwamfuta a 15:44? Zaɓuɓɓuka: (A) 7 (B) Goma sha huɗu (C) 25 (D) 27 (E) 30 A: (D) 