The mean of the 5 smallest numbers from a group is 15 while the mean of all the 13 members of the group taken together is 17. What is the mean of the 8 largest numbers?

NaCl is a salt which is made up of

Based on the given table, the percentage salary increase per year during the period 2001-2006 was ___ (roundoff to the nearest integer).

Who is the Bengali writer who won the 31st Moortidevi Award for the year 2017?

Read the following question and decide which of the given statements is/are sufficient.

What is the total number of illegal immigrants?

Statements :

1. 30% of the total illegal immigrants are from Bangladesh.

2. Remaining are from India.

A girl child has which of the following combinations of chromosomes in her cells?

Which of the following numbers is irrational?

Solve the following :

72 ÷ 12{15 + 12 - 9 + 6 - 5 + 7¯} = ?