The foci of the hyperbola 9x² -16y²= 144 are
Anonymous Quiz
29%
(+ - 4 ,0)
19%
(0, + - 4)
49%
(+ - 5 , 0)
3%
( 0, + - 5 )
The distance between the foci of the conic 7x² - 9 y² =63 is equal to
Anonymous Quiz
47%
8
29%
4
18%
3
5%
4
The centre of the hyperbola 9x² - 36x - 16y² + 96y - 252=0
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52%
(2,3)
18%
(-2,-3)
9%
(-2,3)
22%
(2,-3)
21≡14 (mod 7) => 3 ≡ 2 ( mod 7) is
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33%
True
58%
False
8%
Neither True nor False
1%
None
If p is a prime and a² ≡ b² ( mod P ) then
Anonymous Quiz
10%
p/a , p/b
77%
p|(a+b) or p|(a - b)
13%
p/a or p/b
0%
p/b
3x ≡ 5 ( mod 7 ) has
Anonymous Quiz
64%
Unique solution
12%
No solution
7%
7 solution
16%
Infinite many solution
In a room of 13 people , at least how many have same birthday month ?
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67%
2
10%
3
10%
4
13%
1
The sum of all divisors of 360 excluding 1 and itself is
Anonymous Quiz
12%
800
23%
801
18%
803
46%
809
If a and b are positive integers such that their H.C.F. (a,b) = 1 then ( a+b , a - b ) is
Anonymous Quiz
21%
1
7%
2
67%
either ( 1 ) or ( 2 )
5%
neither ( 1 ) nor ( 2 )
If y = cos t and x = sin t , then what is the value of dy/dx ?
Anonymous Quiz
3%
xy
11%
x/y
22%
- y/x
64%
- x/y
The error is least in calculating the value of integral using the rule
Anonymous Quiz
43%
Trapezoidal rule
27%
Simpson one - third rule
16%
Weddle rule
14%
Simpson three-eight rule
Newton Raphson method fails when
Anonymous Quiz
10%
f(x) is negative
11%
f(x) is too large
78%
f ' (x) is zero
2%
None of these
Milne Method is used to solve
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15%
Partial differential equation
66%
Ordinary differential equation
10%
Integral equation
10%
Wave equation
In Simpson's one -third rule the curve y=f(x) is assumed to be a
Anonymous Quiz
11%
Circle
77%
Parabola
10%
Hyperbola
1%
None of these