CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
Question

A letter lock consist of three rings, each ring is marked with ten different letters. Then in how many ways it is possible to make unsuccessful attempt(s) to open the lock?

A
998
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
999
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
997
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
995
No worries! We‘ve got your back. Try BYJU‘S free classes today!