In an examination, there were three papers of Mathematics, two papers of English and one paper of Science. All papers were of 100 marks. S got 60% in Mathematics, 70% in English and 50% in Science. What was his percentage of marks in all papers?

In an examination, there were three papers of Mathematics, two papers of English and one paper of Science. All papers were of 100 marks. S got 60% in Mathematics, 70% in English and 50% in Science. What was his percentage of marks in all papers?
एक परीक्षा में, गणित के तीन पेपर, अंग्रेजी के दो पेपर और विज्ञान का एक पेपर था। सभी पेपर 100 अंकों के थे। S को गणित में 60%, अंग्रेजी में 70% और विज्ञान में 50% अंक मिले। सभी पेपर में उसके अंको का प्रतिशत कितना था?