14:I[5014,["/_next/static/chunks/11d1gk4m2o846.js","/_next/static/chunks/14mrh2-p_w84d.js","/_next/static/chunks/40y9lkvta2o_p.js"],"default"] 15:I[38392,["/_next/static/chunks/11d1gk4m2o846.js","/_next/static/chunks/14mrh2-p_w84d.js","/_next/static/chunks/40y9lkvta2o_p.js"],"PracticeCard"] 17:I[70570,["/_next/static/chunks/11d1gk4m2o846.js","/_next/static/chunks/14mrh2-p_w84d.js","/_next/static/chunks/40y9lkvta2o_p.js"],"ExamAppearanceBadge"] 16:T578,

→ Correct Answer: গ) Intelligent and inventive.
- Ingenious means very intelligent, skillful, or cleverly inventive.
- In the sentence, it describes a method that is cleverly designed to save water.

• Ingenious (adjective)
- English Meaning: Very intelligent and skillful, or cleverly inventive and resourceful, especially in solving problems or creating new things.
- Bangla Meaning: কৌশলী; বুদ্ধিমান; উদ্ভাবনক্ষম।

• Synonyms:
- Resourceful - দক্ষ; কৌশলী; চতুর।
- Innovative - উদ্ভাবনী; সৃষ্টিশীল।
- Adroit - দক্ষ; নিপুণ; কুশলী।

• Antonyms:
- Unimaginative - অল্প কল্পনাশক্তিসম্পন্ন; সৃষ্টিশীলতার অভাব আছে এমন।
- Inept - অদক্ষ; অযোগ্য; অপটু।
- Clumsy - কদাকার; অমার্জিত; কুশ্রী।

• Example Sentence:
1. His ingenious explanation of the theory impressed the entire class.
2. She came up with an ingenious way to organize her closet using old boxes.

Source: Live MCQ Lecture.