Q. If a circle has a radius of 7 cm, what is its circumference? (Use π ≈ 3.14)
-
A.
21.98 cm
-
B.
43.96 cm
-
C.
14 cm
-
D.
28 cm
Solution
Circumference = 2 * π * radius = 2 * 3.14 * 7 ≈ 43.96 cm.
Correct Answer: B — 43.96 cm
Learn More →
Q. If a circle has a radius of 7 units, what is its area?
-
A.
154
-
B.
144
-
C.
100
-
D.
50
Solution
Area = π * r^2 = π * 7^2 = 154 (using π ≈ 22/7).
Correct Answer: A — 154
Learn More →
Q. If a rectangle has a length of 10 units and a width of 5 units, what is its perimeter?
Solution
Perimeter = 2 * (length + width) = 2 * (10 + 5) = 30 units.
Correct Answer: A — 30
Learn More →
Q. If a train travels at a speed of 60 km/h, how far will it travel in 2.5 hours?
-
A.
120 km
-
B.
150 km
-
C.
180 km
-
D.
200 km
Solution
Distance = speed * time = 60 km/h * 2.5 h = 150 km.
Correct Answer: B — 150 km
Learn More →
Q. What is the area of a circle with a radius of 3 cm? (Use π ≈ 3.14)
-
A.
28.26 cm²
-
B.
9.42 cm²
-
C.
18.84 cm²
-
D.
12.56 cm²
Solution
Area = π * radius² = 3.14 * 3² = 3.14 * 9 = 28.26 cm².
Correct Answer: A — 28.26 cm²
Learn More →
Q. What is the value of 2 raised to the power of 3?
Solution
2^3 = 2 * 2 * 2 = 8.
Correct Answer: C — 8
Learn More →
Q. What is the value of 7 factorial (7!)?
-
A.
5040
-
B.
720
-
C.
40320
-
D.
10080
Solution
7! = 7 * 6 * 5 * 4 * 3 * 2 * 1 = 5040.
Correct Answer: C — 40320
Learn More →
Q. What is the value of 9 squared?
Solution
9 squared (9^2) = 9 * 9 = 81.
Correct Answer: C — 81
Learn More →
Q. What is the value of the square root of 144?
Solution
The square root of 144 is 12, since 12 * 12 = 144.
Correct Answer: C — 12
Learn More →
Showing 1 to 9 of 9 (1 Pages)
