8th grade math worksheet 2 :
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 :
Find the smallest number by which 3087 should be multiplied to obtain a perfect cube.
(A) 4 (B) 3 (C) 5
Question 2 :
11025 students are sitting in a lawn in such a way that there are many students in a row as there are rows in lawn. Find the number of rows in the lawn.
(A) 205 (B) 105 (C) 115
Question 3 :
Evaluate (243) -2/5
(A) 1/5 (B) 1/7 (C) 1/9
Question 4 :
Evaluate (52 + 122)1/2
(A) 17 (B) 15 (C) 13
Question 5 :
If a + b + c = 9 and ab + bc + ca = 23, find the value of a2 + b2 + c2
(A) 35 (B) 45 (C) 55
Question 6 :
What is the degree of the polynomial 4 + 3x - 7 x3 + 5 x4
(A) 4 (B) 3 (C) 1
Question 7 :
Solve the following 3x / (2x - 5) = 12/5
(A) 40 kg (B) 36 kg (C) 50 kg
Question 8 :
The numerator of a rational number is less than its denominator by the number 3. if the numerator becomes three times and the denominator is increased by 20, the new fraction became 1/8. Find the required fraction.
(A) 1/3 (B) 1/2 (C) 1/4
Question 9 :
In a circle with center O and the radius 13 cm, AB is a chord of length 24 cm.Find the distance between the chord and the center.
(A) 6 cm (B) 8 cm (C) 5 cm
Question 10 :
Find the value of x ° if the lines AB and CD are parallel to each other
(A) 0° (B) 180° (C) 225°
9. 5 cm
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