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Which of the following is not the differ...

Which of the following is not the differential equation of family of curves whose tangent form an angle of `pi/4` with (a) `( b ) (c) (d)(( e ) dy)/( f )(( g ) dx)( h ) (i)=( j )(( k ) x-y)/( l )(( m ) x+y)( n ) (o) (p)` (q) (b) `( r ) (s) (t)(( u ) dy)/( v )(( w ) dx)( x ) (y)=( z ) x/( a a )(( b b ) x-y)( c c ) (dd) (ee)` (ff) (c) `( d ) (e) (f)(( g ) dy)/( h )(( i ) dx)( j ) (k)=( l )(( m ) x+y)/( n )(( o ) y-x)( p ) (q) (r)` (s) (d) None of these

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Which of the following is not the differential equation of family of curves whose tangent form an angle of (pi)/(4) with the hyperbola xy=c^(2)?(a)(dy)/(dx)=(x-y)/(x+y)(b)(dy)/(dx)=(x)/(x-y)(c)(dy)/(dx)=(x+y)/(x-y) (d)N.O.T.

The differential equation of family of curves whose tangents form an angle of pi/4 with the hyperbola xy=k is (A) dy/dx=(x^2+ky)/(x^2-ky) (B) dy/dx=(x+k)/(x-k) (C) dy/dx=-k/x^2 (D) dy/dx=(x^2-k)/(x^2+k)

An angle is double of its supplement. The measure of the angle is (a) ( b ) (c) (d) (e) 60^(( f )0( g ))( h )\ ( i ) (j) (b) ( k ) (l) (m) (n) 120^(( o )0( p ))( q ) (r) (s) (t) ( u ) (v) (w) (x) 40^(( y )0( z ))( a a ) (bb) (cc) (d) ( d d ) (ee) (ff) (gg) 80^(( h h )0( i i ))( j j ) (kk) (ll)

The measure of an angle which is its own complement is (a) ( b ) (c) (d) (e) 30^(( f )0( g ))( h ) (i) (j) (b) ( k ) (l) (m) (n) 60^(( o )0( p ))( q ) (r) (s) (c) ( d ) (e) (f) (g) 90^(( h )0( i ))( j ) (k) (l) (d) ( m ) (n) (o) (p) 45^(( q )0( r ))( s ) (t) (u)

If angles of a linear pair are equal, then the measure of each angle is (a) ( b ) (c) (d) (e) 30^(( f )0( g ))( h ) (i) (j) (b) ( k ) (l) (m) (n) 45^(( o )0( p ))( q ) (r) (s) (c) ( d ) (e) (f) (g) 60^(( h )0( i ))( j ) (k) (l) (d) ( m ) (n) (o) (p) 90^(( q )0( r ))( s ) (t) (u)

In Fig.93, if A O C is a straight line, then x= (a) ( b ) (c) (d) (e) 42^(( f )0( g ))( h ) (i) (j) (b) ( k ) (l) (m) (n) 52^(( o )0( p ))( q ) (r) (s) (c) ( d ) (e) (f) (g) 142^(( h )0( i ))( j ) (k) (l) (d) ( m ) (n) (o) (p) 38^(( q )0( r ))( s ) (t) (u)

In Fig.97, If A B is parallel to CD, then the value of /_B P E is (a) ( b ) (c) (d) (e) 106^(( f )0( g ))( h ) (i) (j) (b) ( k ) (l) (m) (n) 76^(( o )0( p ))( q ) (r) (s) (c) ( d ) (e) (f) (g) 74^(( h )0( i ))( j ) (k) (l) (d) ( m ) (n) (o) (p) 84^(( q )0( r ))( s ) (t) (u)

An angle is thrice its supplement. The measure of the angle is (a) ( b ) (c) (d) (e) 120^(( f )0( g ))( h ) (i) (j) (b) ( k ) (l) (m) (n) 105^(( o )0( p ))( q ) (r) (s) (c) ( d ) (e) (f) (g) 135^(( h )0( i ))( j ) (k) (l) (d) ( m ) (n) (o) (p) 150^(( q )0( r ))( s ) (t) (u)

Two complementary angles are in the ratio 2: 3. The measure of the larger angle is (a) ( b ) (c) (d) (e) 60^(( f )0( g ))( h ) (i) (j) (b) ( k ) (l) (m) (n) 54^(( o )0( p ))( q ) (r) (s) (c) ( d ) (e) (f) (g) 66^(( h )0( i ))( j ) (k) (l) (d) ( m ) (n) (o) (p) 48^(( q )0( r ))( s ) (t) (u)

The sum of an angle and half of its complementary angle is 75^0dot The measure of the angle is (a) ( b ) (c) (d) (e) 40^(( f )0( g ))( h ) (i) (j) (b) ( k ) (l) (m) (n) 50^(( o )0( p ))( q ) (r) (s) (c) ( d ) (e) (f) (g) 60^(( h )0( i ))( j ) (k) (l) (d) ( m ) (n) (o) (p) 80^(( q )0( r ))( s ) (t) (u)