Question

9, 20, 43, 91, 189, ?
(a) 287
(c) 277
(b) 378
(d) 389
pls find the next term with a certain pattern and ur answer should be from the options.​

Answer 1

Answer:

389

Step-by-step explanation:

9×2+2=20

20×2+3=43

43×2+5=91

91×2+7=189

189×2+11=389

Double the number and add prime number by serial

Answer 2

Answer:

the required answer is option (d)389

9×2=18+2=20

20×2=40+3=43

43×2=86+5=91

91×2=182+7=189

189×2=378+11=389

The pattern is multiply the no.with 2 and add prime no.in each case.