Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete?
JNR -1, LPO -2, NRL -4, ?, RVF -16
AIJT-6
BPTI-8
CQRT-9
DTOR-7
AIJT-6
BPTI-8
CQRT-9
DTOR-7
Related Questions:
ശ്രേണിയിലെ അടുത്ത സംഖ്യ ഏത്?
15,20,27,36