Class X,Maths

I. Fill in the blanks. (10×1=10)

a.  is the prime factorization of ________.

       (293, 140, 156)

b. 0.375 is _____________ decimal expansion.

(Terminating, Non-terminating Repeating, Non-terminating

Non-repeating)

c. HCF of 2 and 16 is __________

(2, 4, 6)

d. LCMHCF (a, b)= _________

(ab, a+b, a-b)

e. __________ is a linear equation in two variables.

( ++=0, ++1=0, x+y+2=0)

f. Number of zeroes in a cubic polynomial is ____ .

(3, 4, 10)

g. If two lines intersect each other, they will have _____ solution.

(one, zero, infinity many)

h. α= _______

(,,)
i. By Euclid’s Division Lemma, a=bq+r , where_______

(0<r>b, 0<r<b, 0<r<b)

j. If two lines are parallel, then the pair of equation has no solution. In

this case, the pair of equations is ____________.

(consistent, inconsistent, none of these)

 II. Solve any five.                 ( 5×2=10)

a. Prove that  is irrational.

b. Find HCF and LCM of 24 and 48, also verify that LCMHCF= Product of

two numbers.

c. Find zeroes of quadratic polynomial + 6x + 9 .

d. Find r(x), If p(x)= - 3 + 5x -3, g(x)=  – 2.

e. Solve, 5x-4y+8=0

7x+6y-9=0

f. Five years ago, Nuri was thrice as old as Sonu. Ten years later, Nuri

will be twice as  old as Sonu. How old are Nuri and Sonu?

g. Check whether the given linear equation has unique solution or no

solution or infinity many solutions.

x-3y-3=0

3x-9y-2=0

III. Activity (20)

IV. CW/HW (10)