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Important Study Material for SSC CHSL 2017 GK and English pdf

Study Material for Upcoming SSC CHSL Exam 2017 Download free GK and Current Affairs from the SSC Portal. English and Quantitative Aptitude...

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Mathematics Objective Type Questions For CGL Tier 2 Exam

1.       In a triangle    ABC , if A=120° , b=2 and C=30° then a=?
a)3
b)2 √3
c)√3
d)2
2.       In    ABC , if a=5,b=12 and c=13, then the value of sin2B= ?
a)      125/144
b)      120/169
c)       144/169
d)      None
3.       The roots of 2x^2-6x+7=0 are….
a)      Real , unequal and rational
b)      Real , unequal and irrational
c)       Real and equal
d)      Imaginary
4.       The roots of 2x^2 -6x+3=0 are….
a)      Real , unequal and rational
b)      Real , unequal and irrational
c)       Real and equal
d)      Imaginary
5.       The polynomial x^2-x+1 has –
a)      One proper linear factor
b)      Two proper linear factor
c)       No proper linear factor
d)      None of these
6.       The roots of the eqation 15x^2-28=x are
a)      Real and equal
b)      Real and unequal
c)       Complex numbers
d)      None of these
7.       The roots of ax^2+bx+c=0 will be reciprocal to each other, if
a)      a=1/c
b)      a=c
c)       b=ac
d)      a=b
8.       A die is thrown. What is the probability of getting a prime number ?
a)      1/6
b)      1/3
c)       1/2
d)      1

9.       In simultaneous throw of two dice the probability of getting a total of 7 is :
a)      7/36
b)      1/7
c)       1/4
d)      1/6
10.    A coin is tossed successively three times. The probability of getting one head or two heads is :
a)      2/3
b)      3/4
c)       4/9
d)      None

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