Mathematics MCQS for NTS
a + x is
A binomial
A trinomial
A moomial
An equation
Multiplicative inverse of “1” is
1
0
{0, 1}
+ 1
Sin(a + b) + Sin (a – b) =
Sin a Cos b
Sin a Sin b
Sin a – 2 Cos b
Sin a + Cos b
A2+ B2
A2+ B2+ 2AB
A + B
A2+ B2+ AB + BA
If the 19th term of A.P is 8 and the 4th term is 20, then the first term is
27.5
20.2
37.5
25.5
3/2 is
A positive integer
An irrational number
A rational number
Whole number
If the angle of a triangle are in the ratio 2:3:7, the triangle is
Obtuse
Acute
Isosceles
Right angle
A vector of magnitude zero is called
Position vector
Null vector
Free vector
None of these
The conic is a parabola if
e > 1
e = 0
e < 1
e = 1
The line joining (1, 3) to (a, b) has unit gradient then
a+b = 0
a-b = -2
2a+3b=1
a-b + 5
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