8th 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 :
What is the smallest number by which 256 may be divided so that the quotient is perfect cube?
(A) 2 (B) 3 (C) 4
Question 2 :
How many digits are there in the square root of 4456321?
(A) 2 digits (B) 4 digits (C) 3 digits
Question 3 :
Find the value of 3x3 - 4x2 + x - 5 when x = -3
(A) -54 (B) -71 (C) -32
Question 4 :
The perimeter of a rectangle is 52 cm. If its width is 2 cm more than one-third of its length, find the dimensions of rectangle.
(A) 12 cm x 4 cm (B) 18 cm x 8 cm (C) 15 cm x 9 cm
Question 5 :
What must be added to each of the numerator and the denominator of the fraction 7/11 to make it equal to 3/4
(A) 9 (B) 5 (C) 12
Question 6 :
A line which intersects two or more lines at a distinct points is called a ____________
(A) concurrent (B) Intersecting (C) Transversal
Question 7 :
The opposite angles of a cyclic quadrilateral are _______________
(A) Supplementary (B) Complementary (C) None of these
Question 8 :
In triangle ABC is inscribed in a circle with center O and BC is a diameter, if angle BAC is 50°, find angle ABC.
(A) 50° (B) 40° (C) 48°
Question 9 :
The circumference of a circle is 44 cm.Find its area (use π=22/7)
(A) 154 cm2 (B) 130 cm2 (C) 145 cm2
Question 10 :
The volume of a right circular cylinder is 1100 cm3 and the radius of its base is 5 cm. Calculate its curved surface area.
(A) 410 cm2 (B) 125 cm2 (C) 440 cm2
2. 4 digits
4. 18 cm x 8 cm
9. 154 cm2
10. 440 cm2
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