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The average of n observations is 40. If one observation of value 80 is added, then the average of all the observations is 41. What is the value of n?

The sum of two numbers is 20 and their product is 96. What is the difference between the two numbers?

"Bad money drives good money out of circulation." The propounder of this statement was: ‘‘बुरी मुद्रा अच्छी मुद्रा को चलन से बाहर कर देती है।’’ इस नियम के प्रतिपादक थे:

What is the position of India in the recently released 'Global Gender Gap Index' ? हाल में जारी ‘ग्लोबर जेंडर गैप इंडेक्स’ में भारत किस स्थान पर है ?

The flow of water into the ground through the soil surface is called __________.

अंतर्राष्ट्रीय ऊर्जा एजेंसी क्लीन एनर्जी के लिए किस आईआईटी के साथ सहयोग किया है?

The autocatalyst formed in the reaction of acidified potassium permanganate with oxalic acid at high temperature is उच्चतापमान पर ऑक्सेलिक अम्ल के साथ अम्लीकृत पोटेशियम परमैग्नेट की अभिक्रिया में बना स्वोत्प्रेरक है

Q: In ∆ABC, D and E are points on AB and BC, respectively, such that DE is parallel to AC. If DE = 3 cm, AC = 5 cm and the area of trapezium ACED = 32 cm², then what will be the area of ∆BDE?