7th grade math worksheet 12 :
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 sum of the digits of a two digit number is 15 and if 9 is added to the number the digits are interchanged.Find the required number.
(A) 78 (B) 19 (C) 82
Question 2 :
Two trains with a speed of 35km per hour and 28 km per hour respectively,starting at the same time, run in the opposite directions between two stations A and B, 315 km apart.Find where they will meet
(A) 180 km apart from A
(B) 130 km apart from A
(C) 175 km apart from A
Question 3 :
The sum of two number is 135 and are in the ratio 4:5.Find the required numbers.
(A) 80,95 (B) 60,75 (C) 30,35
Question 4 :
The sum of two numbers is 3000. If 8% of one number is equal to 12% of the other, find the numbers.
(A) 1800 and 1200
(B) 2240 and 2800
(C) 2700 and 3100
Question 5 :
Solve the following 2(6x-5) = (3x+2) + 6
(A) 2 (B) 5 (C) 3
Question 6 :
A chord of length 16 cm is drawn in a circle of radius 10 cm. Find the distance of the chord from the centre of the circle.
(A) 30 cm (B) 25 cm (C) 12 cm
Question 7 :
In the figure, O is the center of the circle, <ABO = 30°, where A, B and C are points on the circle . What is the value of "x" ?
(A) 60° (B) 100° (C) 50°
Question 8 :
The base of the parallelogram is twice the height.If the area is 578 find the base and height.
(A) Height = 10 cm and Base = 20 cm
(B) Height = 17cm and Base = 34 cm
(C) Height = 15 cm and Base = 10 cm
Question 9 :
The perimeter of a triangle field is 144 m and the ratio of the sides is 3:4:5.Find the area of the field.
(A) 318 m2 (B) 522 m2 (C) 864 m 2
Question 10 :
The circumference of a circle exceeds the diameter by 20 cm. Find the radius of the circle.
(A) 42/3 (B) 51/2 (C) 55/2
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