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?
Joy Goswami
Taslima Nasreen
Subhro Bandhopadhyay
Baby Halder
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 that 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 \( \frac{1}{30} \)