Army ki vacany KB aayegi?

A hydrogen filled balloon ascending at the rate of 18 kmph was drifted by wind. Its angle of elevation at 10th and 15th minutes were found to be 60° and 45° respectively. The wind speed (in whole numbers) during the last five minutes, approximately, is equal to __ km/h

• A 26
• B 7
• C 11
• D 33

hello sir mera bhi job lag WA do

railway group d exam kob hoga?

M.sc ke baad koin si job kre