Hi sir, isn’t question-2 a little too tedious.Would you recommend such questions to be left unattempted? Reply
Well if you read to the end, you will see that the last line provides a shorter way of realising that option (3) has to be true. If you spot that, it is an extremely easy question, literally a one-liner! regards J Reply
CAT-holics 
Sir,
Answer to the first one should be 140.
Hi sir, isn’t question-2 a little too tedious.Would you recommend such questions to be left unattempted?
Well if you read to the end, you will see that the last line provides a shorter way of realising that option (3) has to be true. If you spot that, it is an extremely easy question, literally a one-liner!
regards
J