A rectangular garden has a length of 15 meters and a width of 10 meters. Which of the following is the perimeter of the garden?
75 m
25 m
50 m
150 m
Correct Answer : C
The formula for the perimeter of a rectangle is:
P=2(L+W)
Where:
- L=15
- W=10m
Step 1: Add length and width
15+10=25
Step 2: Multiply by 2
2×25=50m
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Related Questions
Correct Answer is D
Explanation
Step 1: Identify even numbers on a die
A standard die has numbers:
1, 2, 3, 4, 5, 6
Even numbers:
2,4,6
So:
3 even outcomes out of 6
Probability of even on one roll:
Step 2: Two independent rolls
Multiply the probabilities:
Correct Answer is D
Explanation
Step 1: Find the total area of the garden
Area of a rectangle:
Area=Length×Width
12×9=108
Total area = 108 m²
Step 2: Divide the area into 3 equal sections
108÷3 = 36
Correct Answer is C
Explanation
Step 1: Arrange the numbers from smallest to largest
Original numbers:
12, 19, 7, 14, 22, 26, 15
Ordered list:
7,12,14,15,19,22,26
Step 2: Find the middle number
There are 7 numbers, so the median is the 4th number.
7,12,14,15,19,22,26
Correct Answer is B
Explanation
Step 1: Find the scaling factor
The cookies increase from:
24→60
60÷24=2.5
So the recipe is 2.5 times larger.
Step 2: Multiply the sugar amount
Original sugar:
Multiply by 2.5:
Convert 2.5 to fraction:
Step 3: Multiply
Simplify:
Convert to mixed number:
Correct Answer is B
Explanation
Step 1: Convert the mixed number to an improper fraction
Step 2: Rewrite the division
When dividing fractions, multiply by the reciprocal.
Step 3: Multiply
Step 4: Convert to a mixed number
Correct Answer is A
Explanation
To convert a decimal to a percentage, multiply by 100.
0.05×100=5
0.05=5%
Correct Answer is B
Explanation
Step 1: Convert the fractions to decimals
6/15
6÷15=0.40
4/8
4÷8=0.50
6/10
6÷10=0.60
Step 2: Compare the values
0.40<0.50<0.60
Convert back to fractions:
6/15<4/8<6/10
Correct Answer is C
Explanation
Step-by-Step Explanation
Step 1: Read the scale
The pointer on the dial is pointing 2:
Step 2: Match with the closest option
The pointer is closest to 2 pounds.
Correct Answer is C
Explanation
Step 1: Convert pints to liters
2 pints×0.473=0.946 liters
Step 2: Compare with bottle size
Each bottle = 1 liter
Needed:
0.946 L
Since 1 liter > 0.946 liters, one bottle is enough.
✅ Correct Answer
1 bottle
Correct Answer is C
Explanation
Convert each fraction to a decimal to compare.
1/3
1÷3≈0.333
2/5
2÷5=0.4
1/7
1÷7≈0.1429
3/8
3÷8=0.375
Compare the values
|
Fraction |
Decimal |
|
1/7 |
0.1429 |
|
1/3 |
0.333 |
|
3/8 |
0.375 |
|
2/5 |
0.4 |
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