In a room there are x2 rows of chairs and each two contains 2 x2 chairs- The total number of chairs in the room isa 2 x3b 2 x4c x4d x 42

(b) 2x4 Total number of chairs in the room = Number of rows nbsp; #215; nbsp;Number of chairs in each row nbsp; nbsp; nbsp; nbsp; nbsp; ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard VI

Mathematics

Area of Square

In a room the...

Question

In a room there are x² rows of chairs and each two contains 2x² chairs. The total number of chairs in the room is

(a) 2x³
(b) 2x⁴
(c) x⁴
(d) $\frac{x^{4}}{2}$

Open in App

Solution

(b) 2x⁴
Total number of chairs in the room = Number of rows $\times$ Number of chairs in each row
= x² $\times$ 2x² = 2x⁴

Suggest Corrections

Similar questions

36 identical chairs must be arranged in rows with the same number of chairs in each row. Each row must contain at least three chairs and there must be at least three rows. A row is parallel to the front of the room.
How many different arrangements are possible?

Q. In a classroom, there are 7 rows of chairs. Each row has 5 chairs. What is the total number of chairs in the classroom?

12

chairs were arranged with

3

chairs in each row. Later,

8

more chairs were added. Find the number of chairs in each row such that the total number of rows remains the same.

Q. The chairs in three rooms of an auditorium are in the ratio 2:3:5. If 20 chairs were added to each room, the ratio changes to 4:5:7. The total number of chairs in the auditorium before the increases was

Q. There are a certain number of chairs inside the hall. If the chairs are arranged 5 chairs per row, 7 chairs per row, and 8 chairs per row then 3, 2 and 5 chairs remain respectively. It is known that there are more than 600 chairs and less than 700 chairs inside the hall. Find the number of chairs remaining if the chairs are arranged 13 chairs per row.

Join BYJU'S Learning Program

In a room there are x2 rows of chairs and each two contains 2x2 chairs. The total number of chairs in the room is (a) 2x3 (b) 2x4 (c) x4 (d) x42

(b) 2x4 Total number of chairs in the room = Number of rows × Number of chairs in each row = x2 × 2x2 = 2x4

In a room there are x² rows of chairs and each two contains 2x² chairs. The total number of chairs in the room is

(a) 2x³
(b) 2x⁴
(c) x⁴
(d) $\frac{x^{4}}{2}$

(b) 2x⁴
Total number of chairs in the room = Number of rows $\times$ Number of chairs in each row
= x² $\times$ 2x² = 2x⁴