A cistern 6m long and 4 m wide contains water up to a depth of 1 m 25 cm. The to

Question

A cistern 6m long and 4 m wide contains water up to a depth of 1 m 25 cm. The total area of the wet surface is:

Options:

A . 49 m²

B . 50 m²

C . 53.5 m²

D . 55 m²

Answer: Option A

Area of the wet surface
= [2(lb + bh + lh) - lb]
= 2(bh + lh) + lb
= [2 (4 x 1.25 + 6 x 1.25) + 6 x 4] m²
= 49 m².

Was this answer helpful ?

Next Question

Question 1. A metallic sheet is of rectangular shape with dimensions 48 m x 36 m. From each of its corners, a square is cut off so a....8 m, the volume of the box (in m3) is:

Question 2. The diameters of two spheres are in the ratio 1:2 what is the ratio of their volumes? ....

Question 3. The surface area of a cube is 726m2, its volume is? ....

Question 4. The height of two right circular cones are in the ratio 1:2 and their perimeters of their bases are in the ratio 3:4, t....in the ratio 3:4, the ratio of their volume is?

Question 5. Surface area of two spheres are in the ratio 1:4 what is the ratio of their volumes? ....

Question 6. If the length, breadth and the height of a cuboid are in the ratio 6: 5: 4 and if the total surface area is 33300 cm2, ....cm2, then length breadth and height in cms, are respectively?

Question 7. If the volumes of two cubes are in the ratio 8: 1, the ratio of their edges is ....

Question 8. A metal sheet 27 cm long 8cm broad and 1 cm thick is melted into a cube. The difference between the surface areas of t....The difference between the surface areas of two solids is

Question 9. A wooden box of dimensions 8m x 7m x 6m is to carry rectangular boxes of dimensions 8cm x 7cm x 6cm. The maximum number....boxes that can be carried in 1 wooden box is?

Question 10. The length of the wire of 0.2mm radius that can be drawn after melting a solid copper sphere of diameter 18cm?....

Chapter 1 - GLOBAL STEEL SCENARIO & INDI Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Chapter 3.1 : Overview of Finance & Acco Chapter 3 : Finance & Accounts SAIL E0 - GFM 2024

Chapter 2.1 : Overview Chapter 2 : Materials Management SAIL E0 - GFM 2024

Chapter 1.1 : Personnel Functions- An ov Chapter 1 : Personnel Management SAIL E0 - GFM 2024

GPOE / GPA Combined 1 Free CBT Mock Test SAIL E0 2024

CBT Mixed Test 1 GPOE/GPA SAIL E0 2024