সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
A rectangle is 14 cm long and 10 cm wide. If the length is reduced by x cms and its width is increased also x cms so as to make it a square, then its area changes by:
A rectangle is 14 cm long and 10 cm wide. If the length is reduced by x cms and its width is increased also x cms so as to make it a square, then its area changes by:
- ক. 4
- খ. 144
- গ. 12
- ঘ. 2
সঠিক উত্তরঃ 4
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