Maths Number System
An owner sold small packets for Rs 150 and large for Rs 250. He sold 5000 packets for Rs 10.50 lakh. How many small packets were sold?
एक दुकानदार ने छोटे पैकेट Rs 150 और बड़े Rs 250 में बेचे। उसने 5000 पैकेट Rs 10.50 लाख में बेचे। कितने छोटे पैकेट बेचे गए?
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A
(a) 3500
B
(b) 3200
C
(c) 2500
D
(d) 2000
Correct Answer: Option D
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Explanation / व्याख्या:
Avg=10.5L/5000=210. By alligation: (250-210):(210-150)=40:60=2:3. Small=2/5×5000=2000.
औसत=210। आसंन नियम: 40:60=2:3। छोटे=2000।
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