CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
Question

The mean of a set of 30 observations is 75. If each observation is multiplied by a non-zero number λ and then each of them is decreased by 25, their mean remains the same. Then λ is equal to :

A
13
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
23
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
43
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
103
No worries! We‘ve got your back. Try BYJU‘S free classes today!