On a given date and month, the same day falls after 1. 7 years 2. 6 years 3. 5 years 4. 5 or 6 years
The diameter and the slant height of a conical tomb are 28 m and 56 m respectively. The cost of white washing its curved surface at the rate of 80 paise per: square metre is :
1) Rs. 2640
2) Rs. 1760
3) Rs. 264
4) Rs. 176
