Solve the following:
72 ÷ \( \frac{1}{2} \){15 + 12 - (9 + 6 - (\(\overline{5+7}\)))} = ?
Which of the following numbers is irrational?
\(\sqrt[3]{64}\)
\(\sqrt[]{64}\)
\(\sqrt[6]{64}\)
\(\sqrt[4]{64}\)
Who is the Bengali writer who won the 31st Moortidevi Award for the year 2017?
Based on the given table, the percentage salary increase per year during the period 2001-2006 was _____ (round off to the nearest integer).
| Year | Items of Expenditure | |||
| Salary | Food | Medicine | Tax | |
| 2001 | ₹ 1,500 | ₹ 200 | ₹ 500 | ₹ 100 |
| 2002 | ₹ 2,600 | ₹ 300 | ₹ 600 | ₹ 200 |
| 2003 | ₹ 3,200 | ₹ 150 | ₹ 700 | ₹ 150 |
| 2004 | ₹ 4,100 | ₹ 250 | ₹ 650 | ₹ 125 |
| 2005 | ₹ 5,000 | ₹ 200 | ₹ 800 | ₹ 150 |
| 2006 | ₹ 5,200 | ₹ 100 | ₹ 750 | ₹ 175 |
A and B together can do a piece of work in 10 days. If A can do the work in 15 days, find in how many days B alone can do the same work. Given below are the steps involved in solving the above problem. Arrange them in sequential order.
A) One day's work of B is \( \frac{1}{10} \) - \( \frac{1}{15} \)
B) One day's work of A and B is \( \frac{1}{10} \) and one day's work of A is \( \frac{1}{15} \)
C) B alone can do the work in 30 days
D) One day's work of B is \( \frac{1}{30} \)