If (7x -13)-(12x + 3) = 14, then the value of x is ______ .
1). -6
2). 6
3). 2/5
4). - 2/5
One diagonal of a rhombus is half the other. If the length of the side of the rhombus is 20 cm, what is the area of the rhombus?
1). 320 sq cm
2). 160 sq cm
3). 240 sq cm
4). 360 sq cm
Select the related word/letters/number from the given alternatives.
3 : 27 : : 4 : ?
1). 96
2). 64
3). 44
4). 48
Select the related word/letters/number from the given alternatives.
ZWU : TQO:: LIG : ?
1). EFG
2). FCA
3). DEF
4). EFC
$\tan^{3}$A is equal to
1). 3tanA- tan3A(1- 3$\tan^{2}$A)
2). 5tanA- tan3A(1- 3$\tan^{2}$A)
3). 7tanA- tan3A(1- 3$\tan^{2}$A)
4). tanA- tan3A(1- 3$\tan^{2}$A)