September 27, 2021

# CBSE Mathematics Class VIII | Sample Paper -1 |

### CBSE Mathematics Class VIII | Sample Paper -1 | ### Time: 3 hour

#### Subject- Mathematics M.M.-80

All questions are compulsory.

1. Multiple choice question-
• A bat is bought for 120 and sold for 105. Loss percent is.
• 15% b-  12 %             c-  16                 d-  14%
• 5 % of 0 number is 9. The number is
• 45 b- 90                    c- 135                  d- 180
• If 5t – 3 = 3t – 5, then  t = ?
• 1 b- -1                     c- 2                       d-  -2
• 2 – 50x3 = ?
• 2(1-5x)2                                        c- (1+5x)
• (2-5x) (2+5x)                    d- 2 (1-5x) (1+5x)
• (82)2 – (18)2  = ?
• 8218 b- 6418                c- 6400                d- 7204
• If 5×6 is exactly divisible by 3 , then the least value of x is,
• 0 b- 1                      c- 2                      d-  3

100              b- 40                    c- 20                    d- 30

• Which of the following numbers is not a perfect square?
• 1444 b- 3136               c- 961                  d- 2222
• A die is thrown , what is the probability of getting an even Number?
•                       b-                        c-                        d-
• In Which of the following quadrants does the point (-7, -1) lie ?
1. I b- II                     c-  III          d-  IV

1. 2 Marks each question-
• Find the gain and loss percent when CP = 675 and SP = 630.
• Express 125% as a ratio.
• Solve : 5x + 7 = 2x-8
• Find products : (3x2 + 5x – 9) x (3x-5)
• Evaluate : ()3

1. 3 marks each question-
• Manjit brought an iron safe for 5580 and paid 170 for its transportation. Then he sold it for Find the gain percent earned by him.
• Find 4% of 3600.
• If 16% of a number is 72, find the number.
• of a number is 20 less than the original number. Find the number.
• The two adjacent sides of a rectangle are 5x2-3y2 and x2+2xy. Find the perimeter.
• The unit digit of a two digit number is 3 and seven times the sum of the digits is the number itself. Find the number.
• Write a Pythagorean triplet whose smallest member is 14.
• Find the least number which must be subtracted from 7581 to obtain a perfect square.
• A coin is tossed . what are all possible outcomes.
• Two coin are tossed Simultaneously . what are all possible outcomes.

1. Write true and False-
• (5-3x2) is a binomial.
• -8 is a monomial.
• 2x-5 = 0 = x =

1. 6 marks each question-
• The height of mount Everest is 8848m. write it in standard form the speed of light is 300000000 m/sec. Express it in standard form.
• Factorise-
• X2 + 8x+16 b- y2 +10y+24
• If (x+) = 4 find the values of (i) (x2+  )  and (ii) (x4 +  ).
• Draw the graph of the function p = 4x
• From the graph find the value of P, when
1. x = 3 ii) x = 4               iii) x = 6

1. Fill in the blanks-
• The square of an even number is ……………………
• The square of an odd number is ……………………
• The square of a proper fraction is ………………….
• N2 =  the sum of first n ………………… natural numbers.
• = ……………………
• 1+3+5+7+9+11+13 = (………)2 #### Harshit

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