Click to Chat
1800-1023-196
+91-120-4616500
CART 0
Use Coupon: CART20 and get 20% off on all online Study Material
Welcome User
OR
LOGIN
Complete Your Registration (Step 2 of 2 )
A letter lock consist of 3 rings each marked with 10 different letters .in how many ways its is possible to make an unsuccessful attempt to open the lock ?
Hii Manish We have 3 rings each marked with 10 different letters, So, possible no. of attempts to open the lock when letter can repeat will be = 10*10*10 =1000 attempts.among 1000 attempt 1 attempt will be successful . so total no of attempts required would be 999
Post Question
Dear , Preparing for entrance exams? Register yourself for the free demo class from askiitians.
points won -