engineering recuitment ICAR (IARI) Assistant (Pre + Mains) 2022 Mock Test Quantitative Aptitude Number System LCM and HCF

If the five-digit number 457ab is divisible by 3, 7 and 11, then what is the value of a2 + b2 - ab?

1
49
2
24
3
36
4
33
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