6 7 4 8 5 8 8 4 3 2 5 6 7 6 7 3 8
If the 1st term of the above sequence is interchanged with the 2nd term, the 3rd with the 4th, and so on, then how many 8s are there that are divisible by the number on their left as well as their right?
Virat can complete a task in 20 days, whereas Anu can complete the same task in 15 days. How long will it take for Virat and Anu to complete the task if they worked together?
Manoj used to spend 33% of his income on food. He got an increment of ₹1,000 but did not increase his expenditure on food items. As a result his expenditure on food dropped to 27%. What was his initial income?