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What is the correct answer for the place of sign of interrogation out of given alternatives?
5 , 7 , 20 , 21 , 80 , 63 , ? , 189.
(A)300 (B)305 (C)310 (D)315 (E)320
5 , 7 , 20 , 21 , 80 , 63 , x , 189
5 , 7 , 5x4 , 7x3 , 20x4, 21x3 , 80x4 , 63x3
x = 80x4 = 320
approve if u like my ans
E)320
Let
t1=5 , t2=7 , t3=20 , t4=21 , t5=80 , t6=63 , t7=? , t8=189
t1*4=t3 t2*3=t4
t3*4=t5 t4*3=t6
t5*4=320 t6*3=t8
320
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