Subject
Quantitative Aptitude
Topic
Time and Work
A worker is paid tk 42 per hour for the first 8 hours and then tk 52 for each additional hour. If on a certain day, his average pay was tk 44/hour how many hours did work on that day?
A worker is paid tk 42 per hour for the first 8 hours and then tk 52 for each additional hour. If on a certain day, his average pay was tk 44/hour how many hours did work on that day?
ক)
12খ)
10গ)
8ঘ)
4Explanation
মনেকরি, অতিরিক্ত সময় y প্রশ্নমতে, 42 x 8 + 52y = (8+y) x 44 ⇒ 336 + 52y = 352 + 44y ⇒ 52y - 44y = 352 - 336 ⇒ 8y = 16 ∴ y = 2 মোট কাজ করে 8 + 2 = 10Related questions
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