**7th grade math worksheet 5 :**

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 :**

The temperature at 12 noon was 10° C above zero.If it decreases at the rate of 2°C per hour until midnight, at what time would the temperature be 8°C below zero?

(A) 3 pm (B) 9 pm (C) 8 pm

**Question 2 :**

An elevator decends into a mine shaft at the rate of 6 m/min.If the decline starts from 10 m above the ground level. Calculate how long will it take to reach -350 m ?

(A) 1 hour (B) 5 hours (C) 2 hours

**Question 3 :**

How much less is 28 km than 46.2 km?

(A) 18.2 km (B) 14.6 km (C) 12.5 km

**Question 4 :**

Solve 5p + 2 = 17

(A) p = 2 (B) p = 5 (C) p = 3

**Question 5 :**

When two lines l and m meet, we say they intersect, the meeting point is called the __________________

(A) Point of contact

(B) Point of intersection

(C) None of these

**Question 6 :**

Find the value of x in the following triangle

(A) 50° (B) 70° (C) 80°

**Question 7 :**

The population of a city reduced from 25,000 to 24,500. Find the percentage decrease.

**(A) 5% (B) 2% (C) 1%**

**Question 8 :**

A wire is in the shape of square of side 10 cm. If the wire is rebent in to a rectangle length 12 cm, calculate its width.

(A) 35% (B) 27% (C) 75%

**Question 9 :**

Two sides of a parallelogram ABCD are 6cm and 4cm. The height corresponding to the base of CD is 3 cm. Find the area of the parallelogram

(A) 7 cm^{2} (B) 15 cm^{2} (C) 18 cm^{2}

**Question 10 :**

Diameter of a circular garden is 9.8 m. Calculate its area.

(A) 50 cm (B) 64 cm (C) 30 cm

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