សុខាទិញខោមួយថ្លៃ 80 000៛ ជាតម្លៃមួយដែលគេបានបញ្ចុះតម្លៃអស់ 20% ។ ចូរកំណត់ថ្លៃខោនេះនៅពេលដែលគេមិនទាន់បញ្ចុះតម្លៃ ។
ភាគរយកើន និងថយ

Quiz
•
Kak HS
•
Mathematics
•
9th Grade
•
4 plays
•
Hard
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
90000៛
100000៛
120000៛
130000៛
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
ប្រេងសាំងពីមុនលក់ 1លីត្រថ្លៃ 5 500៛ ឥឡូវនេះលក់ថ្លៃតែ 4 125៛ ។ តើប្រេងសាំងចុះថ្លៃអស់ប៉ុន្មានភាគរយ ?
10%
15%
20%
25%
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
នំប៉័ងពីមុនលក់មួយ ដើមថ្លៃ 1 500៛ ឥឡូវនេះលក់មួយដើម 2 000៛ ។ តើនំនោះលក់បង្កើនថ្លៃប៉ុន្មានភាគរយ ?
33.3%
34.5%
36.3%
37.5%
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
អាវមួយធ្លាប់លក់ថ្លៃ 25$ ហើយឥឡូវលក់ 17.5$ ។ ចូររកភាគរយនៃការលក់បញ្ចុះថ្លៃ ។
15%
20%
25%
30%
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
ពូភីទិញទូរទស្សន៍មួយថ្លៃ 665$ ជាតម្លៃមួយដែលគេបានបញ្ចុះតម្លៃអស់ 30% ។ ចូរកំណត់ថ្លៃទូរទស្សន៍នេះនៅពេលដែលគេមិនទាន់បញ្ចុះតម្លៃ ។
850$
900$
950$
1000$
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
ឆ្នាំទៅសាលារៀនទទួលសិស្សបានតែ 950 នាក់ ។ ប៉ុន្តែឆ្នាំនេះ ការទទួលសិស្សបានកើនឡើង 10% ។ រកចំនួនសិស្សនៃឆ្នាំនេះ ។
1045នាក់
1055នាក់
1060នាក់
1070នាក់
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
សុខសន្សំបានប្រាក់ 60$ ដែលជា 80% នៃតម្លៃម៉ាស៊ីនថតរូប ។ តើម៉ាស៊ីនថតនោះថ្លៃប៉ុន្មាន ?
75$
80$
85$
90$
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