**7th grade math worksheet 14 :**

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 clock is sold for $189 at a loss of 10%.What is the cost price of clock ?

(A) $210 (B) $251 (C) $182

**Question 2 :**

Find the discount on a book marked at $180 and discount at 15%.

(A) 18 (B) 13 (C) 27

**Question 3 :**

The three angles of quadrilateral are 78°, 105°, 120°

(A) 95° (B) 57° (C) 90°

**Question 4 :**

Squares of even numbers are always ____________

(A) odd (B) even (C) neither odd nor even

**Question 5 :**

625 students are sitting in a lawn in such a way that there is many students in a row as there are rows in a lawn. Find the number of rows in a lawn.

(A) 25 (B) 15 (C) 35

**Question 6 :**

Which of the following are cubes of even numbers?

(A) 216 (B) 1331 (C) 3375

**Question 7 :**

The volume of a cubical box is 46.656 cubic meters.Find the length of the side of a cubical box?

(A) 1.5 m (B) 2.6 m (C) 3.6 m

**Question 8 :**

Simplify √84 ÷ √7

(A) 2√5 (B) 2√3 (C) 3√2

**Question 9 :**

By selling the watch for $785 a dealer losses 5%. Find the cost price.

(A) $715.12 (B) $815.20 (C) $826.32

**Question 10 :**

If the same number is added to both the numerator and denominator of a fraction 3/5, then the result is 3/4.Find the number.

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

Answers

(1) $210

(2) 27

(3) 57°

(4) even

(5) 25

(6) 6

(7) 3.6 M

(8) 2 √3

(9) $826

(10) 3

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