1. For galvanizing iron which of the following metals is used?
2. A, B and C investment in a partnership in the ratio of 5 : 6 : 8. The ratio of their profit is 5 : 3 : 12. Find the ratio of time for their investment ?
3. Spelling from the given options:
4. How many liters of a 90% of concentrated acid needs to be mixed with a 75% Solution of concentrated acid to get a 30 liter Solution of 78% concentrated acid?
5. Which shortcut can be used to Switch between open workbooks?