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WorksheetsIN SERVICE COURSE 2020 MATHEMATICS PRE TEST ZIET, BBSR
Total questions: 30
Worksheet time: 2hrs 30mins
For journey in LTC , how many days daily allowance shall be admissible?
all days starting from day1 to last day
15 days or the total number of days whichever is minimum
maximum one month
none of these
For how many kilometre the journey on LTC performed by a private/personal transport be regulated, assuming that the place is not connected by any public transport?
maximum 100 kilometres
maximum 50 kilometres
actual journey covered
none of these
For medical reimbursement, advance is paid direct to the hospital and the employee wants to submit the adjustment bills for final settlement . Within how many days the employee can apply in the Vidyalaya?
one month from the date of his discharge
two and half months from the date of his discharge
in the same financial year
none of these
Hard area allowances for the central government employees residing at Nicobar Group of islands is
10% of basics pay
20% of basics pay
16% of basics pay
none of these
The special allowances for child care for women with disabilities is
Rs. 3000 per month
Rs. 2000 per month
Rs. 1000 per month
none of these
The range of f(x)=2x∣x∣−x is
{0 , -1}
(0 , -1)
[0 , -1]
none of these
Solution of ∣1+i∣x = 2 is
x = 2
x = 2 , - 2
no solution exists
x = 0
If 2 + 3 i is a root of x2+px+q = 0 then values of p and q are
p = - 4 , q = 13
p = 4 , q = 13
p = -4 , q = - 13
none of these
The sum of the digits in the unit place of all the numbers formed using the digits 3, 4, 5 and 6 taken all at a time is
18
108
81
6
Out of 15 points in a plane, n points are in the same straight line. 445 triangles can be formed by joining these points. the value of n is
15
5
6
none of these
If a, b, c , d and e are in arithmetic progressions, then the value of
a - 4b + 6c - 4d + e is
0
1
1/2
none of these
The inverse of the function f(x)= ax + a−xax − a−x is
21loga(1−x1+x)
21loga(1+x1−x)
loga(1−x1+x)
none of these
Let
f(x)= sin−1x +cos−1x, then 2π
is equal to
f(2−1)
f(n2−2n +3)
f(23)
none of these
if cot−1(πn2−10n +21⋅6) >6π
n is a natural number, then the minimum value of n is
3
4
2
1
Let A, B be two square matrices such that A + B = AB. Then
AB = BA
AB = - BA
AB + 2BA = 0
none of these
The system of equations x + 2y + 3z = 4, 2x + 3y + 4z = 5, 3x +4y +5z = 6 has
many solutions
no solutions
unique solutions
none of these
The differential coefficient of tan−1(sinx − cosxsinx + cosx) with respect to x is
0
21
1
none of these
If f(x)= sin(xloga)log(1+x2loga2)(ax−1)3
is continuous at x = 0 then f(0) is
log a
2 log a
log(1/a)
loga
The second derivative of a sin3t with respect to acos3t
at t = 4π is
3a42
2
none of these
12a1
g(x)=x−11 f(x)=x2+x−21
The points of discontinuity of the function fog are
x = 21 , 2
x = 21 , - 2
1, 2
1 , - 2
The equation of motion of a stone thrown vertically upwards is s=ut − 4⋅9t2 . The maximum height attained by it is
9⋅8u2
4⋅92u2
19⋅6u2
none of these
Angle between the curves y = sin x
and y = cos x is
4π
tan−12
tan−122
none of these
The equation x log x = 3 - x in the interval (1,3) has
exactly one root
at least one root
at most one root
none of these
∫02π 1 + sin2xcosx dx is
4π
2π
0
none of these
The area of the region bounded by y = 2x − x2
and x - axis is
38 sq. units
34 sq. units
37 sq. units
none of these
Solution of
( 3x + 2y + 1) dx - ( 3x + 2y - 1) dy = 0 is
log(15x + 10y -1) = c
log(15x + 10y -1) + 25 ( x - y ) = c
log(15x - 10y -1) = c
none of these
If G is the centroid of the triangle ABC then
GA + GB + GC is
0
3GA
3GB
3GC
The equation of the plane through the line of intersection of the planes x + y + z - 6 = 0, 2x + 3y + 4z + 5 = 0 and passing through the point (1,1,1) is
20x - 9y + 8z = 0
20x + y + 8z = 0
20x - 23y - 3z = 14
20x + 23y + 26z - 69 = 0
A coin is tossed. If head comes up, a die is thrown but if tail comes up the coin is tossed again. The probability of obtaining a head and an even number is
1/4
1/ 8
3/8
none of these
The two curves x3−3xy2+2 =0 and
3x2y−y3=2
touch each other
cut at an angle of 3π
cut at an angle of 4π
cut at an angle of 2π
