20% of 2 is equal to-
A. 10
B. 0.5
C. 0.2
D. 0.4
সঠিক উত্তরঃ
D.
0.4
Explanation:

Another Explanation (5):
20% of 2: একাডেমিক ব্যাখ্যা 🧐
20% of 2 কিভাবে 0.4 হয়, তা নিচে ধাপে ধাপে ব্যাখ্যা করা হলো:
- শতকরাকে ভগ্নাংশে রূপান্তর: 20% মানে হলো 100 ভাগের মধ্যে 20 ভাগ। সুতরাং, 20% = 20/100
- ভগ্নাংশটিকে দশমিকে রূপান্তর: 20/100 কে দশমিকে পরিবর্তন করলে হয় 0.2
- গুণ করা: এখন, 0.2 কে 2 দিয়ে গুণ করতে হবে। অর্থাৎ, 0.2 x 2 = 0.4
অতএব, 20% of 2 = 0.4
গণিতের ভাষায় ➕ ➖ ➗ ✖️
গাণিতিকভাবে বিষয়টিকে এভাবে দেখানো যায়:
20% of 2 = (20/100) x 2 = 0.2 x 2 = 0.4
সারণীতে উপস্থাপন 📊
| ধাপ | গণিত প্রক্রিয়া | ফলাফল |
|---|---|---|
| 1 | 20% কে ভগ্নাংশে রূপান্তর | 20/100 |
| 2 | ভগ্নাংশকে দশমিকে রূপান্তর | 0.2 |
| 3 | 0.2 কে 2 দিয়ে গুণ | 0.4 |
বাস্তব উদাহরণ 🤔
মনে করুন, আপনার কাছে 2টি 🍫 চকলেট আছে। আপনি এর 20% আপনার বন্ধুকে 🧑🤝🧑দিতে চান। তাহলে আপনি আপনার বন্ধুকে 0.4 টি চকলেট দেবেন। (যদিও বাস্তবে 0.4 চকলেট দেওয়া সম্ভব নয়, এটি শুধু একটি উদাহরণ)।
গুরুত্বপূর্ণ বিষয় ⚠️
- শতকরা (%) একটি অনুপাত, যা 100 এর ভগ্নাংশ হিসাবে প্রকাশ করা হয়।
- শতকরাকে দশমিকে পরিবর্তন করার জন্য 100 দিয়ে ভাগ করতে হয়।
আশা করি, এই ব্যাখ্যাটি আপনার বোধগম্য হয়েছে। ✅
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