Find the greatest number which on dividing 1661 and 2045, leaves a remainder of 10 and 13 respectively ?
A. 91
B. 127
C. 137
D. 140
Answer : B . 127
Explanation:
In this type of question, we need to calculate the HCF, trick is,
HCF (1661 – 10) and (2045 -13)
= HCF (1651, 2032)
= 127