Neeta saves in a 'Mahila Bachat Gat' ₹2 on the first day, ₹4 on the second day, ₹6 on the third day and so on . What will be her saving in the month of February 2010?

In a month of 31 days, third Thursday falls on 16th. What will be the last day of the month ?

A boy agrees to work at the rate of one rupee on the first day, two rupees on the second day, four rupees on the third day and so on. How much will the boy get if he starts working on the 1st of February and finishes on the 20the of February ?

In a month of 31 days, the third Wednesday falls on the 15th. What will be the last day of that month ?

Meenu read 2/3 of a book on the first day, 1/5 on the second day and rest on the third day.What fraction of the book she read on the third day?

A and B set out to meet each other from two places 165 km apart. A travels 15 km the first day, 14 km the second day, 13 km the third day and so on. B travels 10 km the first day, 12 km the second day, 14 km the third day and so on. After how many days will they meet?

Aman saves $320 during the first year, $ 360 in the second year, $ 400 in the third year and so on. In how many years will he save $ 20,000 ?

A king wanted to reward his advisor, a wise man of the kingdom. So he asked the wiseman to name his own reward. The wiseman thanked the king but said that he would ask only for some gold coins each day for a month. The coins were to be counted out in a pattern of one coin for the first day, 3 coins for the second day, 5 coins for the third day and so on for 30 days. Without making calculations, find how many coins will the advisor get in that month?