What is the highest common factor of the numbers 30 and 132?
3
6
7
9
6
How many vertices are present on a cube?
6
8
10
14
8
The ratio of girls to boys in a school is 5:7. If there are 525 girls, how many boys are there?
A.
375
B.
625
C.
735
D.
325
C. 735
What is 3/20 as a decimal?
A.
0.3
B.
0.5
C.
0.15
D.
1.5
C. 0.15
Factor the quadratic expression: x2+x-30:
A.
(x+5)(x-6)
B.
(x-5)(x+6)
C.
(x-6)(x-5)
D.
None
B. (x-5)(x+6)
Who discovered Summation ∑ ?
Srinivasa Ramanujan
. Which number is Known as Ramanujan-Hardy Number?
1729
Who introduced the notation for a function y = f(x)?
Leonhard Euler
Who discovered Differential Equations dx ?
Gottfried Leibniz
Father of Trigonometry?
Hipparchus
If 1=3, 2=3, 3=5, 4=4, and 5=4, what is 6=?
-3
9
3
6
3
Adding the numbers between 1 to 100 consecutively (1+2+3+4+…) gives you what final answer?
A.5050
B.5040
C.5060
D.5055
5050
A man is currently 4 times older than his son. In 10 years, the man will be three times older than his son. What is the man’s age presently?
100
80
120
150
80
What is next in the following number series: 256, 289, 324, 361 . . . ?
400
200
800
600
1.400
Given the equation x2+4x+3=0, what are the values of x?
A.
2 or 3
B.
-1 or -3
C.
1 or 3
D.
5 or -1
B. -1 or - 3
If A={1,2,3,4,5} then the number of the proper subsets of A is
A.
120
B.
30
C.
31
D.
32
C. 31
In school, there are 20 teachers who teaches mathematics or physics. Of these, 12 teaches mathematics and 4 teaches physics and mathematics. How many teaches physics?
A.
16
B.
8
C.
12
D.
11
B. 8
Write solution set of equation x2-3x+2=0 in roster form.
a) {1,3}
b) {2,4}
c) {1,4}
d) {1,2}
d) {1,2}
Find the coordinates of foci of ellipse (x/25)2+(y/16)2=1.
a) (±3,0)
b) (±4,0)
c) (0,±3)
d) (0,±4)
a) (±3,0)
If equation of a line is y=3x-4 then find the slope of line.
a) 3
b) -3
c) 4
d) -4
a) 3
A function f:R→R is defined by f(x)=5x3-8. The type of function is _________________
a) one -one
b) onto
c) many-one
d) both one-one and onto
c) many-one
Let A={1,2,3} and B={4,5,6}. Which one of the following functions is bijective?
a) f={(2,4),(2,5),(2,6)}
b) f={(1,5),(2,4),(3,4)}
c) f={(1,4),(1,5),(1,6)}
d) f={(1,4),(2,5),(3,6)}
d) f={(1,4),(2,5),(3,6)}
Let M={5,6,7,8} and N={3,4,9,10}. Which one of the following functions is neither one-one nor onto?
a) f={(5,3),(5,4),(6,4),(8,9)}
b) f={(5,3),(6,4),(7,9),(8,10)}
c) f={(5,4),(5,9),(6,3),(7,10),(8,10)}
d) f={(6,4),(7,3),(7,9),(8,10)}
a) f={(5,3),(5,4),(6,4),(8,9)}
Which of the following relations is symmetric but neither reflexive nor transitive for a set A = {1, 2, 3}.
a) R = {(1, 2), (1, 3), (1, 4)}
b) R = {(1, 2), (2, 1)}
c) R = {(1, 1), (2, 2), (3, 3)}
d) R = {(1, 1), (1, 2), (2, 3)}
b) R = {(1, 2), (2, 1)}
Let R be a relation in the set N given by R={(a,b): a+b=5, b>1}. Which of the following will satisfy the given relation?
a) (2,3) ∈ R
b) (4,2) ∈ R
c) (2,1) ∈ R
d) (5,0) ∈ R
a) (2,3) ∈ R