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WorksheetsMath and Science Quiz
Total questions: 80
Worksheet time: 55mins
A computer was discounted from ₱20,000 to ₱18,000. What is the percentage decrease?
5%
10%
15%
20%
What is 12% of ₱2,500?
₱250
₱300
₱350
₱400
Find the 15% of ₱400.
₱40
₱50
₱60
₱70
The commission rate is 10% and sales is ₱5,000, the commission is________.
₱400
₱500
₱550
₱600
A commission of ₱120 is earned on ₱2,000 sales. What is the rate of commission?
5%
6%
7%
8%
A sales agent receives 5% commission. What is her commission for ₱12,000 in sales?
₱500
₱550
₱600
₱650
If a real estate agent earns ₱150 on ₱3,000 sales, what is her commission rate?
3%
4%
5%
6%
How much is the commission on ₱1,500 with a 4% rate?
₱50
₱55
₱60
₱65
A 7% commission was earned from ₱10,000 in sales. What is the commission?
₱600
₱650
₱700
₱750
A seller earned ₱360 commission at 6%. What was the amount of sales?
₱5,000
₱6,000
₱6,500
₱7,000
What is 8% of ₱2,500?
₱150
₱175
₱200
₱250
A commission agent receives ₱75 for a sale of ₱1,500. What is the rate of commission?
3%
4%
5%
6%
If the rate is 12% and commission earned is ₱240, what is the amount of sales?
₱1,500
₱2,000
₱2,500
₱3,000
What is the formula for simple interest?
I=P×R×T
I=P+R+T
I=P×RT
I=P+RTI
Find the simple interest for P = ₱2,000, R = 5%, T = 3 years.
₱200
₱250
₱300
₱350
If P = ₱1,000, R = 4%, T = 2 years, what is the interest?
₱60
₱70
₱80
₱90
How much interest is earned on ₱5,000 at 6% in 1 year?
₱250
₱300
₱350
₱400
What is the interest for ₱3,000 at 3% for 5 years?
₱350
₱400
₱450
₱500
Find the interest: P = ₱800, R = 2%, T = 2 years.
₱24
₱28
₱32
₱36
What is the total amount after earning ₱300 interest on a ₱2,000 loan?
₱2,200
₱2,250
₱2,300
₱2,400
How much interest is earned on ₱1,200 at 10% for 2 years?
₱200
₱220
₱240
₱260
A ₱1,000 investment earns ₱150 in 3 years. What is the rate?
3%
4%
5%
6%
If the time is 4 years, the principal is ₱600, and interest is ₱96, what is the rate?
3%
4%
5%
6%
What inheritance will produce where both alleles are expressed equally in the phenotype of the heterozygote?
Complete dominance
Incomplete dominance
Codominance
Multiple allele
A red cow is crossed with a white cow and produced an offspring of a roan cow. What is a roan cow?
A purebred red cow.
A purebred white cow.
A pink cow.
A cow with red hair and white blotches.
What is the formula for photosynthesis?
6CO2 + 6H2O + light energy → C6H12O6 + 6O2
6CO2 + 6O2 + light energy ----> C6H12O6 + 6H2O
6CO2 + 6H2O ----> C6H12O6 + 6O2 + light energy
6CO2 + 6H2O ----> C6H12O6 + 6O2
Which of the following molecules is a waste product of photosynthesis?
Oxygen
Water
Carbon dioxide
Sugar
Chlorophyll is mostly located above the leaf of the plant to _________.
collect carbon dioxide.
collect light energy.
release oxygen.
release glucose.
Which of the following is the correct definition of extinction?
population of a species begins declining rapidly
population has become so low
occurs when the last member of that species dies
when the population is stable.
It happens when there is removing or clearing of forest to include cutting of all trees for agricultural or urban use.
Eutrophication
Acid rain precipitation
Water pollution
deforestation
Which is associated with air pollution?
global warming
destruction of the ozone shield
acid deposition
all of the above
Biodiversity is a short term for ____________.
biological diversity
biological diverse
biological diversified
bio diversified
Environments always have both living and _________.
non-living factors
biogeochemical cycles
nutrients
ecosystem
Extinction is ________.
Growth of a species
Change in species traits
Disappearance of a species
Mutation of genes
Which of the following causes extinction?
Pollution
Habitat loss
Climate change
All of the above
Deforestation contributes to extinction by:
Creating new habitats
Increasing oxygen
Destroying natural habitats
Cleaning the air
An example of an extinct species is______.
Tiger
Panda
Dodo
Dolphin
Which activity helps prevent extinction?
Poaching
Deforestation
Conservation
Pollution
What type of species is most at risk of extinct
es is______.
Tiger
Panda
Dodo
Dolphin
Which activity helps prevent extinction?
Poaching
Deforestation
Conservation
Pollution
What type of species is most at risk of extinction?
Common species
Migratory species
Endangered species
Carnivores
Overhunting leads to_______.
Evolution
Extinction
Reproduction
Adaptation
Biodiversity is important because it:
Destroys habitats
Provides ecosystem stability
Increases extinction
Reduces food supply
What is one way to protect endangered species?
Build more cities
Increase hunting
Establish protected areas
Use more fossil fuels
Which group is responsible for protecting wildlife?
Poachers
Hunters
Environmental organizations
None of the above
Given the sequence 3, 5, 8, 12, 17, if this pattern continues, what will be the next term?
25
23
21
19
What is the value of d in sequence 1, 11, 21, 31, 41, ...?
9
10
11
12
Find the common difference in sequence -18, -15, -12, -9, -6.
2
-2
3
-3
It is the distance between the terms in an arithmetic sequence.
common difference
common ratio
constant
Fibonacci
Which term of arithmetic sequence 4, 1, -2, -5 is -17?
9th
8th
7th
6th
If three means are inserted between 11 and 39, find the second arithmetic mean.
18
25
32
46
Find the 46th term of the harmonic sequence 1/3, 1/8, 1/13, 1/18, 1/23, 1/28, 1/33,...
1/228
1/233
1/240
1/340
Which of the following are the two-arithmetic mean between 13 and 49?
23, 25
26, 38
24, 36
25, 37
What is the arithmetic mean between 8 and 20?
12
13
14
16
What is the common ratio for geometric sequence 64, 48, 36, 27,...?
¼
3/4
2/3
½
What is the next term of geometric sequence 256, 128, 64, 32?
16
8
4
1
What type of sequence is illustrated in -2, 6, -18, 54?
Fibonacci
Arithmetic
Harmonic
Geometric
Which of the following sequences is an arithmetic sequence?
7, 15, 23, 31
5, -3, -1, 1
1, 2, 3, 5, 8
-1, -5, -25, -125
Identify which of the following sequences is NOT a geometric sequence?
3, 6, 12, 24
-1, -3, -9, -27
1, ½, ¼, 1/8
1, 2, 3, 4, 5
Which of the following does not belong to the group?
-1, -2, -4, -8
2, 2/3, 2/9, 2/27
19, 15, 11, 7
1, 10, 100, 1000
What are the roots of the quadratic equation x2-11x-12=0?
12 and -1
12 and 1
-12 and 1
-12 and -1
What is the sum of the roots of the quadratic equation x2+6x-14=0?
-7
-6
6
1
The length of a garden is 5m longer than its width and the area is 14m2. How long is the garden?
9m
7m
5m
2m
What is the sum and product of roots for this equation: -3x2-6x-1=0?
Sum of Roots = 2 , Product of Roots = 3
Sum of Roots = -2 , Product of Roots = 1/3
Sum of Roots = -2 , Product of Roots = 3
Sum of Roots = -2 , Product of Roots = -1/3
For the equation -3x2-6x-5=0, what is the product of the roots?
5-3
-53
53
35
The quadratic equation 2x2-4x+d=0 has only one root. Use the discriminant to determine the value of d.
-2
2
3
4
The sum of the roots of quadratic equation is:
ba
-ab
-ba
ca
The product of the roots of quadratic equation is:
ba
-ab
-ba
ca
Which is the correct equation of 5+2 and 5-2?
x2-10x+23=0
x2+10x+23=0
x2+10x-23=0
x2-10x-23=0
If p > 0, and x2 - 11x + p = 0 has integer roots, how many integer values can 'p' take?
5
6
10
11
The sum of two numbers is 12 and their product is 35. Which are the two numbers?
5 and 7
-5 and -7
-5 and 7
5 and -7
It is a polynomial equation of degree two that can be written in the form, where a, b, and c are real numbers and a ≠ 0.
Linear Equation
Linear Inequality
Quadratic Equation
Quadratic Inequality
Which of the following is a quadratic equation?
In the quadratic equation, which is the quadratic term?
In the quadratic equation, which is the linear term?
In the quadratic equation, which is the constant term?
Find the a, b and c in the
a= 2, b= 6, c=24
a= 1, b= 6, c=24
a= -2, b= 6, c=24
a= -1, b= -6, c=-24
Find the a, b and c in the
a= 1, b= 14, c=0
a= 1, b= 1, c=4
a= 0, b= 0, c=14
a= 1, b= 0, c=14
Which of the following is in standard form?
