**7th grade math worksheet 9 :**

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 L.C.M of two numbers is 495 and their H.C.F is 5. If the sum of the numbers is 100., then their difference is.

(A) 10 (B) 46 (C) 70

**Question 2 :**

Given that 5^{3} + 5^{3} + 5^{3} + 5^{3} + 5^{3} = 5 ^{J} and 3^{2} + 3^{2} + 3^{2} = 3^{N}, what is the value of JN?

(A) 12 (B) 18 (C) 4

**Question 3 :**

The difference between the two positive whole numbers is 3.The sum of their squares is 117. Find the two numbers.

(A) 8 and 9 (B) -9 and 6 (C) 7 and 3

**Question 4 :**

Given that |(3 - a)| = 2, compute the sum of all possible values of a

(A) 1 and 5 (B) 2 and 4 (C) 3 and 4

**Question 5 :**

The surface area and the volume of a cube are numerically equal. Find its volume.

(A) 216 cu.units (B) 343 cu.units (C) 512 cu.units

**Question 6 :**

How many positive whole numbers less than 100 are divisible by 3, but it is not divisible by 2.

(A) 17 (B) 18 (C) 12

**Question 7 :**

How many multiples of 17 are there between 23 and 227?

(A) 17 (B) 18 (C) 15

**Question 8 :**

Compute the largest divisor of 2800 that is a perfect square

(A) 100 (B) 400 (C) 150

**Question 9 :**

Find the product of the integers from the number -5 to 5 inclusive.

(A) 0 (B) 1 (C) 4

**Question 10 :**

A particular number is doubled and the result is increased by 11 is 23. What is the original number?

(A) 6 (B) 5 (C) 4

Answers

1) 10

2) 12

3) -9 and 6

4) 1 and 5

5) 216 cubic units

6) 17

7) 15

8) 400

9) 0

10) 6

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