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Mathematics
mcqs by everyone
An equation involving expression under radical sign is known as
complex equation
quadratic equation
radical equation
linear equation
If a = -12 and b = -14 then 2a + 2b + 3 is
26
−26
−49
49
A basketball has a volume of 5600cm³. its radius is
8cm
9cm
11cm
10cm
Line segment joining mid points of two sides of a triangle is parallel to 3rd side and is equal to
1/2 of its length
double to its length
2/3 of its length
3/4 of its length
If 2 + 4 + 6 = 12 then 4 + 6 + 2 is equal to
12
14
All of the above
10
Considering formula c = b²⁄a - b, then if value of a = -20 and b = -10, value of c is
−20
20
10
−10
Individual Objects in a set are called
None of above
Set
Element
List
Considering formulae z = (x + y)⁄2, then if x = 10 and y = 12 value of 'z' will be
20
22
11
16
If b² - 4ac >0, then roots of ax² + bx + c = 0 are
Rational
irrational
real
Equal
According to theorem of invertendo, if a : b = c : d then
a : d = b : c
A + B = C + D
b : a = d : c
a : c = b : d
Distance between points
(2,
5) and
(7, -3) is
12.43
15.43
9.43
6.43
After decreasing 50kg in ratio of 2 : 5, answer will be
20kg
30kg
32kg
25kg
Sum of all cube roots of unity is
1
3
2
If number of columns and rows are not equal in a matrix, then it is said to be a
diagonal matrix
null matrix
rectangular matrix
square matrix
Types of proportions are
1
4
3
2
If a rectangular cuboid is 15cm long, 10cm wide and 9cm high with volume of 500cm³ then surface area of cuboid is
750cm²
800cm²
850cm²
700cm²
Solve simultaneous equations 13x - 6y = 20, 7x + 4y = 18
x = 4, y = 8
x = 2, y = 4
x = 6, y = 1
x = 2, y = 1
Solving expression
(2a + 3c)⁄3b +
(a -
c)⁄b gives us
3b⁄5a
3a⁄2b
4a⁄3b
5a⁄3b
By evaluating 4 sin 25° + 5 tan 35°, answer will be
5.1915
1.1915
3.1915
4.1915
In a group of cows and hens, the number of legs was 14 more than twice the number ofheads.
the number of cows is
5
14
12
7
Answer of
(4.88 x 8.79 )/
(2.118 /8.37 ) is
3.47 x 10-5
3.47 x 10²
3.47 x 10-2
3.47 x 10-4
By evaluating cos 68° + sin 72°/tan 58° + cos 47°, answer will be
0.588
0.5808
0.8085
1.5852
Solution of 4x-2 > 6 is
x < 6
x = 4
x > 2
x > 4
Simplifying expression (m²cx + mc)⁄(m²x² + 2mx +
1) gives us
(mx + 1)⁄mc
mc + 1⁄m
None of above
mc⁄(mx + 1)
If 'y' denotes unknown value and is decreased by five, result will be 20 then equation for this statement can be written as
5y = 20
y - 5 = 20
y = 15
5y - y = 20
Types of variations are
4
2
3
1
Michael bought 4 2⁄4 kg of rice and John borrowed 2 2⁄6 kg of rice fromhim.
rice (in kgs) Michael have now is
3 1/6
5 1/6
4 1/6
2 1/6
If b² - 4ac >0, and not a perfect square then roots of ax² + bx + c = 0 are
irrational
Equal
Rational
Imaginary
A square or a rectangular array of numbers written within square brackets in a definite order in rows and columns is known as
matrix
Formula
equation
determinant
Different number of ways to describe a set are
4
6
3
5
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