If one side of a rhombus has endpoints (4, 5) and (1, 1), then the maximum area of the rhombus is 50 sq. units                  (b) 25 sq. units 30 sq. units                  (d)  20 sq. units

The area bounded by the curves y=|x|-1a n dy=-|x|+1 is 1 sq. units (b) 2 sq. units 2sqrt(2) sq. units (d) 4 sq. units

The area enclosed by 2|x|+3|y|lt=6 is (a)3 sq. units (b) 4 sq. units (c)12 sq. units (d) 24 sq. units

CSA of a hemisphere =____ sq.units.

A variable line x/a + y/b = 1 moves in such a way that the harmonic mean of a and b is 8. Then the least area of triangle made by the line with the coordinate axes is (1) 8 sq. unit (2) 16 sq. unit (3) 32 sq. unit (4) 64 sq. unit

In "DeltaA B C","B C"=1,sin"A"/2="x"_1,sin"B"/2="x"_2cos"A"/2="x"_3 and cosB/2=x_4w i t h(x ?1/(x_2))^(2007)-((x_3)/(x_4))^(2006)=0 Length of side AC is equal to: 1/2 (b) 1 (c) 2 (d) cant be determined If /_A=90^0,t h e na r e aof A B C is 1/2 sq. units (b) 1/3 sq. units 1 sq.. units (d) 2 sq. units

AB is a chord of x^2 + y^2 = 4 and P(1, 1) trisects AB. Then the length of the chord AB is (a) 1.5 units (c) 2.5 units (b) 2 units (d) 3 units

The area of the quadrilateral formed by the tangents at the endpoint of the latus rectum to the ellipse (x^2)/9+(y^2)/5=1 is (A) 27/4 sq. unit (B) 9 sq. units (C) 27/2 sq. unit (D) 27 sq. unit

If the area of the triangle formed by the points (1,2) (2,3) and a,4) is 8 sq. units find a.