The least number to be subtracted from 16800 to make it a perfect square, is
A
249
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
159
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
169
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
219
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is B 159 First we have to find the square root of 16800 by long Division method. This shows that (129)² is less than 16800 by 159, So the least number to be subtracted from 16800 is 159. Required perfect Square number= 16800- 159= 16641 √16641 = 129 Hence , the required this number is 159.