For an open cubical box of edge a units, the cost of painting it from the outside at the rate of Rs b per sq unit is

Rs 5ba²

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Rs 6ba²

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Rs 6b²a

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Rs 5a²b

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D
Rs 5a²b

Suggest Corrections

Similar questions

Q. A cubical box with a lid has a length 30 cm. Find the cost of painting the outside and inside of the box at Rs. 2 per m. sq.

A box is in the form of a cube. Its edge is 5 m long. Find

(a) the total length of the edges

(b) the cost of painting the outside of the box, on all the surfaces, at the rate of Rs. 5 per m sq.

The volume of a closed cubical tank is 1331 cubic metres. Find the cost of painting its complete surface area from outside at the rate of ₹ 10 per square meter.

Q. A cubical container of side

3.5

m is to be painted both inside and outside. Find the area to be painted and the total cost of painting it at the rate of Rs

75

per square meter.

Q. The cost of polishing

35

identical wooden cubical boxes at the rate of

20

rs. per cm

^{2}

1, 51, 200

rs. find the edge of each cubical box.

Join BYJU'S Learning Program

For an open cubical box of edge a units, the cost of painting it from the outside at the rate of Rs b per sq unit is

The correct option is D Rs 5a2b

The correct option is D
Rs 5a²b