Question

ST. GEORGE CO-ED SR. SEC SCHOOL BHOPAL(M.P)
SUBJECT: MATHS
PERIODIC-2
OBJECTIVE QUESTION:
3.a^2 – b^2 =?
(1 Point)
(a-b)(a+b)
(a+b)(a+b)
(a-b)(a-b)
4.(a+b)^2 = ?
(1 Point)
(a+b)(a-b)
a^2 + b^2 + 2ab
a^2 + b^2 – 2ab
5.What we get if we add terms?
(1 Point)
constants
factors
expressions
6.(x + a) (x + b) = ?
(1 Point)
x^2 + (a + b)x + ab
a^2 + b^2
x^2 - (a + b)x – ab
7.If the edge of a cube is tripled, how many times its surface area will be increased?
(1 Point)
four times
six times
nine times
8.Volume of right circular cylinder is:
(1 Point)
V = l × b × h
V = πr^2h
V = a^3
9.Which is correct formula to calculate the total surface area of a cuboid?
(1 Point)
2(l × b + b × h + h × l)
πr^2h
πrl
10.a^m × a^n=?
(1 Point)
a^(m+n)
a^(m-n)
none of these
11.a^m ÷ a^n=?
(1 Point)
a^(m+n)
a^(m/n)
none of these
12.(9)^-2 expressed as power with base 3 is:
(1 Point)
(3)^-6
(3)^-4
(3)^4
13.2y – 3y^2 + 4y^3 is a ___________.
(1 Point)
Enter your answer
14.Area of an equilateral triangle is _____________.
(1 Point)
Enter your answer
15.Area of a trapezium having one pair of parallel opposite sides is ______________.
(1 Point)
Enter your answer
16.Standard form of 150,000,000,000 is _______________.
(1 Point)
Enter your answer
17.[( (-1)/2 )^-2]^3 = ________________.
(1 Point)
Enter your answer
18.Match the column:
(5 Points)
6x
binomial
monomial
base × height
6 (side)^2
1
5x2 + 2
binomial
monomial
base × height
6 (side)^2
1
Surface area of cube
binomial
monomial
base × height
6 (side)^2
1
Area of parallelogram
binomial
monomial
base × height
6 (side)^2
1
3 DEGREE
binomial
monomial
base × height
6 (side)^2
1
19.Solve the followings and write the answers only:
Add: 3y + 4z and 2x + 2y.
(1 Point)
Enter your answer
20.Multiply 2ab and 5b.
(1 Point)
Enter your answer
21.The edge of a cube is 2 m. What will be its lateral surface area?
(1 Point)
Enter your answer
22.Find the value of (DEGREE 3 – DEGREE 2) × DEGREE 5.
(1 Point)
Enter your answer
23.Evaluate: (-4)^-2.
(1 Point)
Enter your answer
​

Answer 1

Step-by-step explanation:

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