(-40) × ___ = 80
-2
-6
10
-9
(−40)×(−2)=80 [∵80−40=(−2)]
A rhombus whose side measures 40 cm has one of its angles as 60∘,, then the length of its diagonals are
The marks obtained by 40 students of a class are given below : 80,10,30,70,60,50,50,40,40,20,40,90,50,30,70,10,60,50,20,70,70,30,80,40,20,80,90,50,80,60,70,40,50,60,90,60,40,40,60, and 60