1947 मे 10 ग्राम Gold कि कीमत 89 Rupees

30 kg of rice costing Rs. 50 per kg is mixed with 20 kg of rice costing Rs. 60 per kg. What is the average cost of the mixture per kg? 50 रुपये प्रति किलो ग्राम कीमत वाले 30 किलो चावल को 60 रुपये प्रति किलोग्राम वाले 20 किलो चावल में मिलाया जाता है | प्रति किलोग्राम मिश्रण की औसत कीमत कितनी है ?

On 1st Jan 2018, Sanikadecides to save Rupees 10,Rupees 11 on the second day, Rupees 12 on the third day . She decides to save like this . What would be her total savings at the end of the year ?