1 Mark Question

Questions

5 questions · self-marked practice — reveal the answer and mark yourself.

Question 11 Mark

Find the total surface area of cubes having the following sides : 5.5 m

Answer

Total surface area of cube = 6l²
= 6 × (5.5)²
= 6 × 30.25
= 181.5 sq. m.

Question 21 Mark

Find the total surface area of cubes having the following sides : 6.8 m

Answer

Total surface area of cube = 6l²
= 6 × (6.8)²
= 6 × 46.24
= 277.44 sq. m.

Question 31 Mark

Find the total surface area of cubes having the following sides : 7.2 m

Answer

Total surface area of cube = 6l²
= 6 × (7.2)²
= 6 × 51.84
= 311.04 sq. m.

Question 41 Mark

Find the total surface area of cubes having the following sides : 5 cm

Answer

Total surface area of cube = 6l²
= 6 × 5²
= 6 × 25
= 150 sq. cm.

Question 51 Mark

Find the total surface area of cubes having the following sides : 3 cm

Answer

Total surface area of cube = 6l²
= 6 × (3)²
= 6 × 9
= 54 sq. cm.

1 Mark Question - Maths STD 7 Questions - Vidyadip

Maths 1 Mark Question