Term 1 Algebra 3 Marks and 5 Marks Questions

7th Standard

    Reg.No. :
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Maths

Time : 01:00:00 Hrs
Total Marks : 40
    5 x 3 = 15
  1. Find the numerical co-efficient of the following terms. Also, find the co efficient of x and y in each of the term: 3x, - 5xy, - yz, 7xyz, y, 16yx.

  2. Find two consecutive natural numbers whose sum is 75.

  3. If A=2a2-4b-1; B=5a2+3b-8 and C=2a2+9b+3 then find the value of A-B+C.

  4. How much 2x3-2x2+3x+5 is greater than 2x3+7x2-2x+7?

  5. What should be added to 2b2 - a2 to get b2 - 2a2 

  6. 5 x 5 = 25
  7. Simplify:100x + 99y – 98z + 10x + 10y + 10z – x – y + z

  8. i) Add: 3x − 4y + z and 2x − z + 3y
    ii) Subtract 2x − 5y from 4x + 3y

  9. Length of one side of an equilateral triangle is 3x - 4 units. Find the perimeter

  10. Find the perimeter of a square whose side is y - 2 units.

  11. Simplify 3x - 5 - x + 9 if x = 3

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