A man spends average of ₹ 1694. 70 per month for the first 7 month and ₹ 1810.50 per month for the next 5 months. His monthly salary if he saves ₹ 3084.60. during the whole year is?

Let the monthly salary of a man = ₹ N
∴ The annual salary = ₹ 12N
According to the question,
Annually spends of a man = 7 x 1694.70 + 5 x 1810.50
= ₹ 20915.40
∴ His monthly spends = 20915.40/12 = ₹ 1742.95
And monthly saving = 3084.60/12 = ₹ 257.05
∴ His monthly salary
= 1742.95 + 257.05
= ₹ 2000