R S Aggarwal and Veena Aggarwal Solutions for Exercise 7: MULTIPLE-CHOICE QUESTIONS (MCQ)

Look at the cumulative frequency distribution table given below:

Number of families having income range $₹20000$ to $₹25000$ is

The median of first $8$ prime numbers is

The mean of $20$ numbers is zero. Of them, at the most, how many may be greater than zero?

If the median of the data $4, 7, x-1, x-3, 16, 25$, written in ascending order, is $13$ then $x$ is equal to

The mean of $2, 7, 6$ and $x$ is $5$ and the mean of $18, 1, 6, x$ and $y$ is $10$. What is the value of $y$?

Match the following columns:

Each question consists of two statements, namely, Assertion $\left(A\right)$ and Reason $\left(R\right)$. For selecting the correct answer, use the following code: