**7th grade math worksheet 4 :**

Here we are going to see 10 practice questions of mixed topics. We have been preparing this set of questions in order to test how you understood the topics.

**Question 1 :**

A tree is broken at a height of 5 m from the ground and its top touches the ground at a distance of 12 m from the base of the tree. Find the length of broken part.

(A) 13 m (B) 15 m (C) 18 m

**Question 2 :**

Find the ratio of 3 km to 300 m.

(A) ) 10:1 (B) ) 1:10 (C) 2:5

**Question 3 :**

Find BC, if the area of the triangle ABC is 36 cm^{2} and the height AD is 3 cm.

(A) 18 cm (B) 24 cm (C) 10 cm

**Question 4 :**

How many times a wheel of radius 28 cm must rotate to go 352 m? (Take π = 22/7)

(A) 300 times (B) 200 times (C) 400 times

**Question 5 :**

A rectangular park is 45 m long and 30 m wide. The path 2.5 m wide is constructed outside the park. Find the area of that path.

(A) 400 m^{2} (B) 200 m^{2} (C) 150 m^{2}

**Question 6 :**

Find the value of the expression a^{2} + 2 ab + b^{2},

if a = 3, b = 2

(A) 27 (B) 35 (C) 25

**Question 7 :**

In a computer lab, there are 3 computers for every 6 students. How many computers will be needed for 24 students?

(A) 27 (B) 35 (C) 25

**Question 8 :**

The side of an equilateral triangle is 3.5 cm. Find its perimeter.

(A) 5.9 cm (B) 2.7 cm (C) 10.5 cm

**Question 9 :**

Find the value of 2.5 + 5.1

(A) 7.6 (B) 2.5 (C) 8.2

**Question 10 :**

The wood cutter took 12 minutes to make 3 pieces of a block of wood. How long would be needed to make 5 such pieces?

(A) 50 minutes (B) 20 minutes (C) 30 minutes

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