Paper Subject: Math (Ch.# 1,2,3,4,8) Class: 6th

  

Subject: Math (Ch.# 1,2,3,4,8)         Class: 6th                   

Total Marks: 50

Part.1 (Attempt any Ten (10) questions.) (10×2=20)

1.   Define Whole Numbers.

2.  Subtract x³ -5x² +6x -7 from 2x³- 7x²+11x +6

3.  Is the number 478,301,967 divisible by 11 ?

4.  Find LCM of 16,24,30,36

5.  If LCM of 60 and 80 is 240, Find their HCF

6.  Simplify (a²+2a+1) – (b²+2a-1)

7.  Simplify 8a-4a-(3a+5a)

8.  Subtract a-b+2c from 2a+b-c

9.  Add 4x²-3xy+2y², x²+2xy-y², -3x²-xy+2y²

10.   Find the LCM of 720 and 1296 by division method

11. Find LCM of 32,36 and 48 by Prime Factorization.

12. Find HCF of 2×3²×5,5²,2³×3×5

Part 2; Long Questions (Attempt Any 6 Q.S), Marks = 30

1.   If X= 4a+5b, Y= -3b+6a+1, Z= 2a+3b-2, Find X+Y-Z

2.  Find HCF by Division method 427,1159,1281 and 3416

3.  From the sum of l-m+2n,3l-2m+n, and 4l+5m-6n, Subtract the sum of l+m+n and 2l+3m+4n

4.  What must be added to 2a³-3a²+4a-5 So that the sum will be a³+3a²+3a+1?

5.  Find the greatest number which divides 2300 and 3500 leaving 32 and 56, respectively, as the remainder.

6.  Find HCF of 36,54 and 108 by using prime factors

7.  Find HCF of 300,3996 by division method.