If $\vec{a}$, $\vec{b}$ and $\vec{c}$ are vectors such that $\vec{a}$+$\vec{b}$+$\vec{c}$ = 0 and |$\vec{a}$| =7, $\vec{b}$=5, |$\vec{c}$| = 3, then the angle between the vectors $\vec{b}$ and $\vec{c}$
Previous 10 Questions — NIMCET 2017
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The equation of the hyperbola with centre at the region, length of the transverse axis is 6 and
one focus (0, 4) is
Topic: NIMCET 2017
The direction cosines of the vector a = (- 2i + j – 5k) are
Topic: NIMCET 2017
If the graph of y = (x – 2)2 – 3 is shifted by 5 units up along y-axis and 2 units to the right along
the x-axis, then …
Topic: NIMCET 2017
The equation of the tangent line to the curve y = 2x sin x at the point (π/2, π), is
Topic: NIMCET 2017
If x2 + 3xy + 2y2 – x – 4y – 6 = 0 represents a pair of straight lines, their point of intersection is
Topic: NIMCET 2017
In a triangle ABC, let angle C = π/2. If R is the inradius and R is circumradius of the triangle ABC,
then 2(r + R) equ…
Topic: NIMCET 2017
If the lines x + (a – 1)y + 1 = 0 and 2x + a2y – 1 = 0 are perpendicular, then the condition satisfies by a is
Topic: NIMCET 2017
If non-zero numbers a, b, c are in A.P., then the straight line ax + by + c = 0 always passes
through a fixed point, th…
Topic: NIMCET 2017
Express (cos 5x – cos7x) as a product of sines or cosines or sines and cosines,
Topic: NIMCET 2017
The value of sin36o is
Topic: NIMCET 2017
Next 10 Questions — NIMCET 2017
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If , and , (a ≠ b ≠ c ≠ 1) are co-planar, then the value of is
Topic: NIMCET 2017
Let a, b and c be three vectors having magnitudes 1, 1 and 2 respectively. If a x (a x c) - b = 0, then the acute angle…
Topic: NIMCET 2017
Let , and be three vector such that || = 2, || = 3, || = 5 and ++ = 0. The value o…
Topic: NIMCET 2017
If = (i + 2j - 3k) and =(3i -j + 2k), then the angle between ( + ) and ( - )
Topic: NIMCET 2017
The number of elements in the power set P(S) of the set S = {2, (1, 4)} is
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If (1 - x + x2 )n = a + a1x + a2x2 + ... + a2nx2n , then a0 + a2 + a4 + ... + a2n is
Topic: NIMCET 2017
m distinct animals of a circus have to be placed in m cages, one is each cage. There are n small
cages and p large anim…
Topic: NIMCET 2017
Let A and B two sets containing four and two elements respectively. The number of subsets of
the A × B, each having at …
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The slope of the function \[
f(x) =
\begin{cases}
x^2 \sin\!\left(\dfrac{1}{x}\right), & \text{if } x \ne 0, \…
Topic: NIMCET 2017
What is the largest area of an isosceles triangle with two edges of length 3?
Topic: NIMCET 2017
