A) 80
B) 40
C) 20
D) 30
Correct Answer: B
Solution :
Correct ans: incorrect ans 5 : 2 Incorrect ans = 16 Correct ans = x \[{{a}_{1}},{{a}_{2}}\] \[{{a}_{1}}\,\,{{b}_{1}}\] \[{{a}_{2}}\,\,{{b}_{2}}=k\] Correct answers = 40.
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