Workbook Page 42 to 58 Area Perimeter and Volume
Saturday, May 24, 2014
For Class 7
Revision Worksheet
Q1. Seema, Sarah and Anita are given a total amount of $60. They share it in a ratio 10:11:9 How much does each recieve?Q2. Divide 30kg in the ratio 1:2:3
Q3. Write in the form 1:n (i) 2:5 (ii) 10:35
Q4. A builder mixes 10 shovels of cement in 15 shovels of sand. Write the ratio of cement to sand
i) in its simplest form ii) 1: n iii) n:1
Q5. Find the unknown in each ratio
1 : 4 = 3 : x 2 : 3 = x : 9
Q6. It takes 6 men 10 days to build a wall All the men work at the same rate. How long would it take 4 men to build a wall of same size?
Q7. A 20m length of rope cost $14.40 What is the cost of the rope per meter? Calculate the cost of 12m rope?
Q8. Peter drives 320miles in 8 hours. Calculate his average speed?
Q9. Calculate the distance that you would travel if you drove 30 min at 33mph?
Q10. The diagram shows the line with the equation y=3x+2 and two other lines A and B parallel to it
a) what is the gradient of the line A? ___________
b) What is the equation of Line A? ____________
c) What is the equation of Line B? ___________
For Clas 7
Percentage Worksheet Class VII
Q1)
Calculate
a) 12% of 480 Kg
b) 22% of 560 gms
c) 34% 2748 Litres
Q2) Uzma
gained 46 marks out of 50 in the French test, 72 out of 75 in Science and 51
out of 60 in History.
Convert
Uzma’s test marks to percentages.
Q3) Ali’s
salary was 30000 Rs. It is increased by 15.5 %. What is Ali’s salary now?
Q4) The
price of a pack of chips increases from 1.30$ to 1. 55$
a) Calculate the actual increase in amount.
b) Write the increase as a fraction of original
amount.
c) What is the percentage increase in the price?
Q5) A TV priced at $500 is reduce in price to
$400 in a sale.
a) Calculate the actual decrease in amount.
b) Write the decrease as a fraction of original
amount.
c) What is the percentage decrease in the price?
Q6) The
number of book in a library increases from 2220 to 2354. What is the percentage
increase in the number of books?
Q7)There
are 50 buttons in a box. 8 are blue.
a) What fraction of the button is blue?
b) What percentage of button is blue?
c) What percentage is not blue?
Q8) A
double decker bus has 72 seats. 18 are empty.
a) What percentage of the seats is empty?
b) What percentage of the seats are busy?
Q9) Increase
the following prices by 15%
a) $40 b) $136 c) $262
Q10) Reduce
the following prices by 20%
a) $50 b)
$92
c) $340
Q11)
Calculate the amount of GST at 15% on the following prices.
a) 1550$ b)
228$
c) 12$
Q12) A hotel bill was 42.5$. A GST of 15% was added
to the bill. Find the total amount the customer had to pay?
Q13) Jim’s
salary has increated 4% to 19084$. What was his salary before increase?
Q14) The
Price of a shirt is $ 20.40 after a reduction of 15%. What was the value of the
shirt before reduction?
Q15) Bilal bought a house. Four years later it was
valued at 20400$, an increase of 35%. How much did Bilal pay for the house?
Q16) The
price of a car is increased by 4% to 12480$. What was the original price?
Q17) The price of a bike in a sale is $145. The
original price has been reduced by 12.5%, What was the original price?
Q18) Eleanor bought an antique table for $450. If
its value increases each year by 6% of its value at the beginning of the year,
what will be the value of the table after 2 years?
Q19) Tim
bought a washing machine for 350$. Each year its value depreciates by 16%.
a) What is the value of machine after 1year?
b) What is the value of machine after 2 years?
Q20) The
price of a computer is 1034$ including VAT at 17.5%. Workout the price
excluding VAT
Q21) The bill for repairing a computer is 29.38$
which include VAT at 17.5%. What was the bill before the VAT was added?
Q22) Jane invests $1500 in bank, which earns simple
interest at the rate of 7% per annum. Calculate the value of investment after:
a) 1 year b) 2
years
c) 5 years
Q23) A sum
of 2000$ is invested for 10 years. Find the value of investment if the simple
interest rate is:
a) 5% b) 4.8%
c) 7.2%
Q24) Which
of the following investment would earn the maximum simple interest?
a)
Amount
of 5000$ for 3 years at a rate of 6% per annum.
b)
Amount
of 4500$ for 4 year at the rate of 6% per annum.
c)
Amount
of 3750$ for 4 year at the rate of 7% per annum.
d)
Amount
of 3750$ for 10 year at the rate of 4% per annum.
e)
Amount
of 3500$ for 10 year at the rate of 8% per annum.
Note: All the relevant work done in the copies
is also included.
Note: Exercise 11a, 11c, 11d of book D1 are
also included.
For Class 8
Grand Test 3
1. A post 47m high is supported by wires attached o its top and to
a point on level ground, 18m
from the foot of the
post. Find the length of each wire.
2. The length of the sides of a
triangle are x cm, (x+1) cm and (x+2) cm. Determine ‘x’ so that this
triangle is a right-angled triangle.
7. Find mean, median, mode and range
of the data [3]
-5, 3, 8, 5, 4, -9, 3, 2,
8. The mean of six numbers is 141.
Three of the numbers are 32, 31, and 42. The remaining three
numbers each equal to ‘a’
i) What is the sum of six numbers?
ii) Find the value of ‘a’
9. Find mean, median, mode and range
of the data
x
|
0
|
1
|
2
|
3
|
4
|
f
|
5
|
10
|
8
|
4
|
3
|
10. In the sketch the curve
cuts the x-axis [4]
at two points A and B, and the y-axis at point C.
M is the minimum point. Write down the coordinates of
points
A, B, C and M.
11.
Draw the graph of
x
|
-3
|
-2
|
-1
|
0
|
1
|
2
|
Y
|
5
|
2
|
10
|
Scale:
2cm = 1 unit on x-axis
1cm = 2 unit on y-axis
From graph find
a) The co-ordinates of the minimum point. (
_________, ___________)
b) Equation of line of symmetry:
_____________
c) The value of ‘y’ when x= - 2.7 ______________
d) the value of ‘x’ when y= 8
__________________
Subscribe to:
Comments (Atom)