Basic Maths and Reasoning MCQs (page 130 of 212)
Percentages, ratios, averages, profit and loss, speed and time, number series and simple logical reasoning, with the working shown for every answer.
4,221 questions. Select an option to check your answer, or open "Show answer". Showing 2581–2600.
- 2581.
What is the area of a square with sides of 18 cm?
Show answer
Answer: C. 324 cm²
Area = side × side = 18 × 18 = 324 cm².
- 2582.
What is the area of a square with sides of 19 cm?
Show answer
Answer: C. 361 cm²
Area = side × side = 19 × 19 = 361 cm².
- 2583.
What is the perimeter of a square with sides of 19 m?
Show answer
Answer: C. 76 m
Perimeter = 4 × side = 4 × 19 = 76 m.
- 2584.
What is the perimeter of a square with sides of 20 m?
Show answer
Answer: C. 80 m
Perimeter = 4 × side = 4 × 20 = 80 m.
- 2585.
What is the area of a square with sides of 21 cm?
Show answer
Answer: C. 441 cm²
Area = side × side = 21 × 21 = 441 cm².
- 2586.
What is the perimeter of a square with sides of 21 m?
Show answer
Answer: C. 84 m
Perimeter = 4 × side = 4 × 21 = 84 m.
- 2587.
What is the perimeter of a square with sides of 22 m?
Show answer
Answer: C. 88 m
Perimeter = 4 × side = 4 × 22 = 88 m.
- 2588.
What is the area of a square with sides of 23 cm?
Show answer
Answer: D. 529 cm²
Area = side × side = 23 × 23 = 529 cm².
- 2589.
What is the perimeter of a square with sides of 23 m?
Show answer
Answer: C. 92 m
Perimeter = 4 × side = 4 × 23 = 92 m.
- 2590.
What is the area of a square with sides of 24 cm?
Show answer
Answer: D. 576 cm²
Area = side × side = 24 × 24 = 576 cm².
- 2591.
What is the perimeter of a square with sides of 24 m?
Show answer
Answer: C. 96 m
Perimeter = 4 × side = 4 × 24 = 96 m.
- 2592.
What is the area of a square with sides of 25 cm?
Show answer
Answer: C. 625 cm²
Area = side × side = 25 × 25 = 625 cm².
- 2593.
What is the perimeter of a square with sides of 25 m?
Show answer
Answer: B. 100 m
Perimeter = 4 × side = 4 × 25 = 100 m.
- 2594.
What is the area of a square with sides of 26 cm?
Show answer
Answer: D. 676 cm²
Area = side × side = 26 × 26 = 676 cm².
- 2595.
What is the perimeter of a square with sides of 26 m?
Show answer
Answer: B. 104 m
Perimeter = 4 × side = 4 × 26 = 104 m.
- 2596.
What is the area of a square with sides of 27 cm?
Show answer
Answer: C. 729 cm²
Area = side × side = 27 × 27 = 729 cm².
- 2597.
What is the perimeter of a square with sides of 27 m?
Show answer
Answer: B. 108 m
Perimeter = 4 × side = 4 × 27 = 108 m.
- 2598.
What is the perimeter of a square with sides of 28 m?
Show answer
Answer: C. 112 m
Perimeter = 4 × side = 4 × 28 = 112 m.
- 2599.
What is the perimeter of a square with sides of 29 m?
Show answer
Answer: B. 116 m
Perimeter = 4 × side = 4 × 29 = 116 m.
- 2600.
What is the area of a square with sides of 30 cm?
Show answer
Answer: D. 900 cm²
Area = side × side = 30 × 30 = 900 cm².