Free Printable Mathematics Grade 8

1.

Construct linear equation for the following statement:
Two numbers are in the ratio 5 : 7 and sum of the numbers is 120

a)

5x + 7 x = 120

b)

5x - 7x =120

c)

x⁄5 + x⁄7 = 120

d)

None of the above

2.

The digit in the ten’s place of a two digit number is 3 more than digit in the unit’s place. Let the digit in the units place be b. Then the number is?

a)

$11b+30$

b)

$10b+30$

c)

$11b+3$

d)

$10b+3$

3.

Solve for p:
3(p + 2) = -3(p + 2)

a)

p = -2

b)

p = 2

c)

p = 3

d)

p = -3

4.

Arun's present age is thrice that of Tarun.4 years ago if tarun's age was x,what will be the age of Arun after 2 yr?

a)

2x+12

b)

3x+18

c)

2x+8

d)

3x+14

5.

The identity (y + a) (y +b) is

a)

y² + ( a - b )y + ab

b)

y² - ( a + b )y + ab

c)

y² + ( a + b )y - ab

d)

y² + ( a + b )y + ab

6.

(51)² - (49)² is

a)

200

b)

150

c)

276

d)

189

7.

$\left(\frac{2m}{3}\ +\ \frac{3n}{2}\right)^2$ is

a)

$\frac{4m}{2}+2mn\ +\ \frac{9n}{4}$

b)

$\frac{4m^2}{2}\ +\ 2mn\ +\ \frac{9n^2}{4}$

c)

$\frac{4m^2}{9}+\ 2mn\ +\ \frac{9n^2}{4}$

d)

$\frac{4m^2}{9}-\ 2mn\ \ +\ \frac{9n^2}{4}$

8.

(x² - y²) × (x² + y²) = ______

a)

2x² + 2y²

b)

x⁴ - y⁴

c)

x⁴ + y⁴

d)

2x⁴

9.

if 90% of x is 216, find x.

a)

400

b)

350

c)

320

d)

240

10.

An article costing ₹1,400 was sold for ₹1,050, percent loss is

a)

10%

b)

25%

c)

35%

d)

45%

11.

A lamp was sold for ₹315 after a 10% loss.C.P. is

a)

₹283.50

b)

₹300

c)

₹350

d)

₹355

12.

The time in which a sum of ₹4,000 will yield a simple interest of ₹1200 at 12% per annum is

a)

2 year

b)

2 ¹⁄_{² year}

c)

3 year

d)

5 year

13.

Find S.P. if M.P. is ₹480 and discount is ₹2.5%.

a)

₹468

b)

₹492

c)

₹500

d)

₹552

14.

Two successive discount of 20% and 15% is equivalent to a single discount of

a)

35%

b)

32%

c)

5%

d)

40%

15.

The C.I. on ₹2000 at 10% rate of interest p.a. for 2 year is

a)

₹400

b)

₹410

c)

₹430

d)

₹420

Mathematics Grade 8

Total questions: 15

Worksheet time: 22mins

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