The DAV Class 4 Maths Book Solutions and **DAV Class 4 Maths Chapter 2 Worksheet 4 **Solutions of Addition and Subtraction offer comprehensive answers to textbook questions.

## DAV Class 4 Maths Ch 2 WS 4 Solutions

Question 1.

Solve the following word problems.

(a) In an examination, 29,456 candidates passed while 57,281 candidates failed. How many candidates appeared for the examination?

Answer:

Number of candidates passed = 29,456

Number of candidates failed = 57,281

Total candidates appeared = 86,737

Thus, 86,737 candidates appeared for the examination.

(b) In a school library, there are 11,250 Science books, 21,312 Maths books and 20,143 Hindi books. Find the total number of books in the library.

Answer:

Number of Science books = 11,250

Number of Maths books = 21,312

Number of Hindi books = 20,143

Total number of books = 52,705

Thus, total number of books in the library is 52,705.

(c) In a school, there are 1,752 students in primary classes, 1,825 in middle classes and 1,790 in senior classes. Find the total strength of school.

Answer:

No. of students in primary classes = 1,752

No. of students in middle classes = 1,825

No. of students in senior classes = 1,790

Total strength = 5,367

Thus, total strength of school is 5,367.

(d) The cost of a black and white T.V. set is ₹ 3,690. The cost of a colour T.V. set is ₹ 12,810 more than the cost of black and white T.V. set. Find the total cost of both the T.V. sets.

Answer:

Cost of black and white T.V. set = ₹ 3,690

Cost of colour T.V. is ₹ 12,810 more than black and white T.V.

So, cost of colour T.V. = ₹ 23,690 + ₹ 12,810

= ₹ 16,500

Total cost of both T.V. sets

= ₹ (16,500 + 3,690)

= ₹ 20,190

Thus, cost of both the T.V. sets are ₹ 20,190.

(e) Raman purchased a house for ₹ 6,65,700. He spent ₹ 2,975 on its repairs. Find the amount he spent in all.

Answer:

Cost of house = ₹ 6,65,700

Amount spent on repairing = ₹ 2,975

Total amount spent = ₹ 6,68,675

Thus, the amount he spent in all is ₹ 6,68,675.

### DAV Class 4 Maths Chapter 2 Worksheet 4 Notes

**Word Problems**

In our daily life we use addition in many situations.

E.g.1:

A factory manufactured 18,360 nails in 1st week of March and 20,390 nails in 2nd week of March. Find out the total nails manufactured in two weeks.

Answer:

Nails manufactured in 1st week = 18,360

Nails manufactured in 2nd week = 20,390

Total nails manufactured = 38,750

E.g. 2:

An election was contested by Rohan and Jacob Rohan got 86,700 votes and Jacob got 90,300 votes. Find the total votes received by Jacob and Rohan.

Answer:

No. of votes Rohan got = 86,700

No. of votes Jacob got = 90,300

Total votes received by both of them = 1,77,000