7 th GRADE MATH ONLINE PRACTICE TEST

Question 1 :

The unit digit of 1317 + 1713 is 

(A) 0                     (B) 9                   (C) 1

Solution

Question 2 :

If the diameter of a circle is 376216 inches, using the approximation π = 3:14, compute the ratio of the its area, in square inches, to its circumference in inch.

(A) 94054:5      (B) 94554:1      (C) 94054:1

Solution

Question 3 :

If 1/7 is written in decimal form, then the 100th digit after the decimal point is 

(A) 8                       (B) 3                       (C) 7

Solution

Question 4 :

The length of the two parallel sides of a trapezium are 15 cm and 10 cm. If its area is 100 sq. cm. Find the distance between the parallel sides. 

(A)  12 cm         (B)  16 cm          (C)   8 cm

Solution

Question 5 :

.If a, b, and c are nonzero numbers satisfying 3a = 4b and 5b = 6c, what is c/(a + b) ?

(A) 5/14          (B) 3/10               (C) 2/19

Solution

Question 6 :

The radii of two spheres are of 2 and 6, then the ratio of the volume of the larger sphere to the volume of the smaller sphere is

(A)  1 : 27     (B) 2 : 15           (C) 5 : 14

Solution

Question 7 :

If P be the product of the first nine multiples of 19 (i.e. P = 19x38x57……….152x171). What is the unit digit of P?

(A) 5                  (B) 9               (C) 0

Solution

Question 8 :

Find the perimeter of the rectangle whose length is 5cm and breadth is 3 cm.

(A) 10 cm         (B) 16 cm          (C) 15 cm

Solution

Question 9 :

What is the value of 1 + 3 + 5 +…………………… + 195 + 197 + 199?

(A) 10500         (B) 10001       (C) 10000

Solution

Question 10 :

The number of positive divisors of 120 are divisible by 4 are

(A) 7              (B) 3              (C) 8

Solution

Answer Key

(1)  10

(2)  94054 : 1

(3)  8 is the 100th digit 

(4)  8 cm

(5)  5/14

(6)  1/27

(7)  5

(8)  15 cm

(9)  10000

(10)  8

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