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  1. Chapter 1 Class 6 Knowing our Numbers
  2. Serial order wise
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Transcript

Ex 1.2, 7 A merchant had Rs 78,592 with her. She placed an order for purchasing 40 radio sets at Rs 1200 each. How much money will remain with her after the purchase?Cost for one radio set = Rs 1200 Total number radio set to be purchased = 40 Total Cost = 1200 × 40 = 12 × 100 × 4 × 10 = 12 × 4 × 100 × 10 = 48 × 1000 = 48000 So, total cost of purchasing is Rs 48,000. Total amount she has before purchase = 78,592 Money remaining after purchase = Amount before Purchase − Cost for purchase = 78592 − 48000 So, Rs 30,592 will remain with her.

About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.