Secondary School (English Medium) (5 to 8) Class 8 - CBSE Question Bank Solutions for Mathematics

Draw a histogram for the frequency table made for the data in Question 3 and answer the following questions.

(1) Which group has the maximum number of workers?

(2) How many workers earn Rs 850 and more?

(3) How many workers earn less than Rs 850?

The number of hours for which students of a particular class watched television during holidays is shown through the given graph.

Answer the following

1) For how many hours did the maximum number of students watch TV?

2) How many students watched TV for less than 4 hours?

3) How many students spent more than 5 hours in watching TV?

Find the square root of the following number by division method.

2304

Find the square root of the following number by division method.

4489

Find the square root of the following number by division method.

3481

Find the square root of the following number by division method.

529

Find the square root of the following number by division method.

3249

Find the square root of the following number by division method.

1369

Find the square root of the following number by division method.

5776

Find the square root of the following number by division method.

7921

Find the square root of the following number by division method.

576

Find the square root of the following number by division method.

1024

Find the square root of the following number by division method.

3136

Find the square root of the following number by division method.

900

Find the number of digits in the square root of the following numbers (without any calculation).

64

Find the number of digits in the square root of the following numbers (without any calculation).

144

Find the number of digits in the square root of the following numbers (without any calculation).

4489

Find the number of digits in the square root of the following numbers (without any calculation).

27225

Find the number of digits in the square root of the following numbers (without any calculation).

390625

Find the least number that must be subtracted from the following number so as to get a perfect square. Also find the square root of the perfect square so obtained.

402