Question

Please answer these questions of Algebra (no wrong answers)
1. The coefficient of x in -x is:-
a)0
b)1
c)-1
d)None of these
2. Subtract 12ab from -24ab
a)36ab
b)12ab
c)-12ab
d)-36ab
3. 7 subtracted from p can be expressed as ————-
a)7 – P
b)P-7
c)P+ 7
4. Namita’s present age is y years. Her age after 6 years is
a)6 – y
b)6 + y
c)y – 6
5. A ——– is a number which does not have a fixed value
a)constant
b)Variable
c)solution
6. subtract 12xy from 2yz
a)-10xy
b)3xy
c)10xy
d)None of these
7. The solution of an equation 2n = 10 is
a)0
b)5
c)10
8. 5 times y to which 3 is added can be written as
a)5y + 3
b)5 + 3y
c)5(y + 3)
9. If x = 1 ,y =2 ,z=3 find -2xyz
a)12
b)-12
c)6
d)8
10. Which of the following is an equation?
a)x +4 < 6
b)x + 4> 6
c)c + 4 = 6
11. The solution of the equation 5t = 25 is
a)20
b)5
c)15
12. If x = 3,Find the value of 6x - 4 x +5
a)-11
b)12
c)10
d)11
13. Add -8xy ,-4xy ,6xy
a)-6xy
b)6xy
c)-8xy
d)8xy
14. Pick out the solution of p-5 = 5 from the values given:
a)10
b)5
c)15
15. The value of a variable in an equation which satisfies the equation is called a ——— to the equation
a)Constant
b)Variable
c)Solution​

Answer 1

Answer:

1) - 1

2) 36ab

3) p-7

4) 6+y

5) variables

6) none of these

7) 2n=10 n=10/2 = 5

8) 5y+3

9) - 2(xyz) - 2(1x2x3)=-2(6) =-12

10) c+4=6

11) 5t=25 t=25/5 t= 5

12) 6(3) - 4(3) +5 = 18-12+5 = 6+5 = 11

13) - 8xy+-6xy+6xy = - 12xy+6xy = - 6xy

14) p-5=5 p=5+5 p=10

15) solution