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In a drawing, (x) colours were used and (x+9) shapes were made with each colour. A total of (700) shapes were made. What is the number of colours?एक चित्र में (x) रंगों का प्रयोग हुआ और हर रंग से (x+9) आकृतियाँ बनीं। कुल (700) आकृतियाँ बनीं। रंगों की संख्या क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (20)(20)
The equation is (x(x+9)=700), giving (x=20). Multiply the number of groups by objects per group.समीकरण (x(x+9)=700) है, जिससे (x=20) मिलता है। समूहों की संख्या को प्रति समूह वस्तुओं से गुणा करें।
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