Hello Aspirant,

I cannot tell you that how many question you should attend but I can tell you how much marks you should obtain jto get above 98%ile.

l cannot tell you the exact marks but I will give you a range.

177 to 168       99.0632970 - 98.8568370

187 to 178       99.2647305 - 99.0778181

197 to 188       99.4200875 - 99.2895839

207 to 198       99.5491948 - 99.4360979

217 to 208       99.6488876 - 99.5527320

I will provide you a link where you can find other data similar to these

I hope this information would be helpful for you.

All the best for your bright future ahead.