एक अंडे का द्रव्यमान लगभग 65 ग्राम है, तो 2 दर्जन अंडों का द्रव्यमान क्या होगा?

Mohit has total amount of ₹13,000 in denominations of ₹10, ₹20, ₹50, and ₹500 notes. The number of ₹500 notes is 25% of the number of ₹10 notes. The number of ₹50 notes is 50% of the number of ₹10 notes. The number of ₹20 notes is 50% of the number of ₹500 notes. What is the total number of notes Mohit has?

Salil's salary is ₹18,000 per month. He spends ₹5,500 on house rent, ₹1,500 on bills and the rest of the amount is his monthly savings. Find his savings (in ₹) in a year, if in the month of his birthday, he spent his complete monthly saving for birthday celebration.