Decision Time - Need Help!

Hi
I have an ISB admit for Co16 R1.
With 9.5 years of experience under my belt I am debating joining as my level of experience is almost double than that of class majority.
Any ex alum/ other views on the thought of joining at this level of experience?
Any words of advice much appreciated

TIA

Query 2

Tanya had 4 letters to send to 4 different addresses. For each letter she made an envelope with the correct address. If 4 letters are put in 4 envelopes randomly, what is the probability of only 1 letter in the correct envelope
1) 1/24
2) 1/8
3) 1/3
4) 3/8

OA is C
Thanks very much

Thanks Rich, my exam is this week so trying to tie up all loose end

These type of questions

Last month 15 homes were sold in town X. the average price was $150,000 and median was $130,000. Which of the following must be true: 1) atleast one home sold for more than $165,000 2) at least one home was sold for more than $130,000 and less than $150,000 3) at least one home was sold for less tha...

Prob Doubt

Each of the 25 balls in a bag is red, blue or white and is numbered 1 to 10. If a ball is picked what is the probablity that it will be either white or will have an even number printed on it? 1) Probability that the ball will be white and have an even number on it is 0 2) Prob of ball being white le...

Query pl

Which of the following lists number of points at which a circle can intersect a triangle?
1) 2,6
2) 2,4,6
3) 1,2,3,6
4) 1,2,3,4,6
5) 1,2,3,4,5,6

Will post OA later

DS

Distance between x and y is greater than the distance between x and z. Does z lie between x and y on the number line??
1) xyz < 0
2) xy < 0

OA is C

pl help solve

Of the students who eat in the cafeteria, each likes or dislikes lima beans and each likes or dislikes brussel sprouts. Of these 2/3 rd dislike lima beans and of those who dislike beans, 3/5th dislike sprouts. How many like sprouts but dislike beans? 1) There are 120 students in all 2) 40 students l...