T.S.A of a Cuboid

Q.

Seven cubes of same volume having side $5cm$ are joined end to end. Find the Surface area of the resulting cuboid.

1. 750 $c{m}^2$

2. 1500 $c{m}^2$

3. 2250 $c{m}^2$

4. 700 $c{m}^2$

Q. What's the cost of painting a box which is in the shape of a cuboid of dimensions $3m\times 4m\times 5m$ at a rate of $₹5/m^2$?

1. $₹470$
2. $₹300$
3. $₹900$
4. $₹1500$

Q.

A samsung tablet is to be sent as a gift to a person. The shopkeeper has to wrap the tablet which is in a box of dimensions 20 cm $\times$ 10 cm $\times$ 5 cm. How much paper would be required to wrap it? (assuming negligible thickness)

1. 500$c{m}^3$

2. 300$c{m}^2$

3. 1000$c{m}^3$

4. 700$c{m}^2$

Q. What's the cost of painting a box which is in the shape of a cuboid of dimensions $3m\times 4m\times 5m$ at a rate of $₹5/m^2$?

1. $₹470$
2. $₹300$
3. $₹900$
4. $₹1500$

Q. What's the cost of production of 10 boxes of dimension $2m\times 3m\times 4m$ at the rate of $₹4/m^2$. It is also given that an extra 5% area is required for overlaps for 10 boxes.

1. $₹1,008$
2. $₹2,184$
3. $₹2,584$
4. $₹2,016$

Q.

A steel box has dimensions of 3 m, 2 m and 0.5 m. It has to be gold plated through electrolysis. If each square metre of gold plating costs ₹ 100, then gold plating the outer surface of the box costs ______.

1. ₹ 1700

2. ₹ 3000

3. ₹ 3400

4. ₹ 1500

Q.

A samsung tablet is to be sent as a gift to a person. The shopkeeper has to wrap the tablet which is in a box of dimensions 20 cm $\times$ 10 cm $\times$ 5 cm. How much paper would be required to wrap it? (assuming negligible thickness)

1. 1000$c{m}^3$

2. 300$c{m}^2$

3. 700$c{m}^2$

4. 500$c{m}^3$

Q. What's the cost of painting a box which is in the shape of a cuboid of dimensions $3m\times 4m\times 5m$ at a rate of $₹5/m^2$?

1. $₹300$
2. $₹470$
3. $₹1500$
4. $₹900$

Q.

A samsung tablet is to be sent as a gift to a person. The shopkeeper has to wrap the tablet which is in a box of dimensions 20 cm $\times$ 10 cm $\times$ 5 cm. How much paper would be required to wrap it? (assuming negligible thickness)

1. 1000$c{m}^3$

2. 300$c{m}^2$

3. 700$c{m}^2$

4. 500$c{m}^3$

Q.

A Cuboid has length, breadth and height of 6 cm, 4 cm and 2 cm respectively. Find the total surface area of Cuboid.

1. $22{\text{cm}}^2$

2. $44{\text{cm}}^2$

3. $88{\text{cm}}^2$

4. $176{\text{cm}}^2$

Q.

The total surface area of a cylinder of radius 'r' and height 'h' is _____.

1. $2\pi rh$
2. $2\pi r(h+r)$
3. $2\pi rh+\pi r^2$
4. $2\pi r^2$

Q. There is a cardboard of area $52c{m}^2$. If, a cuboid of breadth $4cm$ and height $3cm$ has to be created using the board, then what will be the length of the cuboid formed?

1. $6cm$
2. $8cm$
3. $2cm$
4. $4cm$

Q. TSA of a cuboid having length, width and height as 2 cm, 3 cm and 4 cm respectively is .

1. 18 cm${}^2$
2. 52 cm${}^2$
3. 36 cm${}^2$

Q. The logarithm form of ${10}^{-3}=0.001$ is ${\log }_{10}0.001=-m$, then value of $m$ is

1. $-1$
2. $-2$
3. $3$
4. $-4$

Q.

A cuboid shaped bank locker has length, breadth and height as 50 cm, 50 cm and 2 m respectively. It has to be secured by a touch sensor system at the rate of ₹ 5 per 100 sq. cm. The total cost of security arrangement is ________.

1. ₹. 2, 25, 000

2. ₹ 22, 500

3. ₹ 2250

4. ₹ 2, 35, 000

Q. The length of a cuboid is twice its breadth. The breadth is twice its height. Then, the ratio of LSA to TSA is .

1. $3:7$
2. $7:3$
3. $7:2$

Q. What's the cost of painting a box which is in the shape of a cuboid of dimensions $3m\times 4m\times 5m$ at a rate of $₹5/m^2$?

1. $₹900$
2. $₹300$
3. $₹1500$
4. $₹470$