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Showing posts with label CLASS 7. Show all posts
Showing posts with label CLASS 7. Show all posts

RATIO AND PROPORTION - PRACTICE QUESTIONS WITH SOLUTIONS - WORKSHEET PDF

 RATIO AND PROPORTION - PRACTICE QUESTIONS WITH SOLUTIONS - WORKSHEET PDF

 

RATIO AND PROPORTION

DIRECT/INDIRECT

Pg140

# Two numbers are in the ratio 6:5. One of the numbers is 0.03.

Work out the two possible values for the other number.

 

# The sides of a quadrilateral are in the ratio 2:3:5:8.

The difference between the shortest side and the longest side is 7.5cm. Work out the perimeter of the quadrilateral.

 

# In a right-angled triangle, the difference between two of the angles is 20°.

a Work out the size of the angles in the triangle.

b How many solutions are there to part a? Explain why.

c For each solution to part a, write the ratio of the angles from smallest to biggest in its simplest form.

 

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Pg143

#  In a factory, 4 people can pack 20 boxes in 1 hour.

How long does it take 3 people to pack 20 boxes? Give your answer in hours and minutes.

 

# It takes 8 people 5 days to dig a hole.

How long does it take 10 people to dig the hole?

 

Pg144

#  The values of X and Y in the table are in direct proportion. Work out the missing numbers A, B, C and D.

 

# Julio reads that the length of an adult's head and the length of their body are in direct proportion.

 Julio's dad has a head length of 24 cm and a body length of 156 cm.

Using these measurements, work out

 a the body length of an adult with a head length of 26cm

b the total height of an adult with a body length of 143 cm.

 

# It takes 6 people 20 days to paint 4 houses.

a How many houses can 3 people paint in 20 days?

b How many people does it take to paint 4 houses in 10 days?

c How many days does it take 8 people to paint 4 houses?

d Copy and complete the table.

 

 

 

 

 

 

CLASS 7 PERCENTAGE OLYMPIAD WORKSHEET WITH SOLUTIONS - MATHS

 CLASS 7 PERCENTAGE OLYMPIAD WORKSHEET WITH SOLUTIONS - MATHS






OLYMPIAD PRACTICE - WITH SOLUTIONS
 
A boy has enough money to buy 20 books. If each book costs 25 paise less, he could buy two more books and still have 70 paise left. How much money does the boy have? (A) Z 16 (B) Z 24 (C) Z 48 (D) Z 36 
 
When a number is reduced by 4, it becomes 80% of itself. Find the number. (A) 20 (B) 30 (C) 40 (D) 50 1 
 
If 2 1/2 % of a number is 0.2, what will be 120% of it? (A) 10.8 (B) 4.8 (C) 9.6 (D) 12.4 
 
The number of seats for admission is increased by 10% every year. If the number of seats in 2001 was 400, what was the number of seats in 2003? (A) 824 (B) 484 (C) 500 (D) 480