Q.
Number of 3-digits numbers in which the digit at hundreds place is greater than the other two digits is
see full answer
Start JEE / NEET / Foundation preparation at rupees 99/day !!
21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
204
b
240
c
281
d
285
answer is D.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
1θ0 12-- 22----------9-- 9212+22+32+........+92=285
Watch 3-min video & get full concept clarity