Question paper for Hauts Squad (classes 11th-12th)
Comprehension
Comprehension
C-1) Two Arabian oil traders, Ali and Murtuza, were involved in the buying and selling of oil barrels over five trading days. At the beginning of the first day, oil barrels were priced at Rs 100 per barrel, while at the end of the fifth day, it was priced at Rs 110/ barrel. At the end of each day, the price of barrel either went up Rs 10, or else, it came down by Rs 10. Both Ali and Murtuza took buying and selling decisions at the end of each trading day. The beginning price of oil barrel on a given day was the same as the ending price of the previous day. Ali and Murtuza started with the same number of barrels and amount of cash, and had enough of both. Below are some additional facts about how Ali and Murtuza traded over the five trading days.
Each day if the price of the barrel went up, Ali sold 10 oil barrels at the closing price. On the other hand, each day if the price went down, he bought 10 oil barrels at the closing price.
If on any day, the closing price was above Rs 110, Murtuza sold 10 oil barrels, while if it was below Rs 90, he bought 10 oil barrels, all at the closing price.
Q1. If Ali sold 10 oil barrels on three consecutive days, while Murtuza sold 10 oil barrels only once during the five days, what was the price of one oil barrel at the end of day 3?
1) Rs 90
2) Rs 100
3) Rs 110
4) Rs 120
5) Rs 130
Q2. If Murtuza ended up with Rs 100 less cash than Ali at the end of day 5, what was the difference in the number of barrels possessed by Murtuza and Ali (at the end of day 5)?
1) Murtuza had 10 less oil barrels than Ali. 2) Murtuza had 10 more oil barrels than Ali.
3) Ali had 10 more oil barrels than Murtuza. 4) Ali had 20 more oil barrels than Murtuza.
5) Both had the same number of oil barrels.
Q3. If Ali ended up with Rs 1300 more cash than Murtuza at the end of day 5, what was the price of on oil barrel at the day 4?
1) Rs 90
2) Rs 100
3) Rs 110
4) Rs 120
5) Cannot be determined
Q4. What could have been the maximum possible increase in combined cash balance of Ali and Murtuza at the end if fifth day?
1) Rs 3700
2) Rs 4000
3) Rs 4700
4) Rs 5000
5) Rs 6000
Q5. If Murtuza ended up with 20 more oil barrels than Ali at the end of day 5, what was the price of oil barrel at the end of day 3?
1) Rs 90
2) Rs 100
3) Rs 110
4) Rs 120
5) Rs 130
C-2) It makes no sense. It is awkward, inefficient and confusing. We’ve been saying that for 124 years. But there it remains. Those keys made their first appearance on a rickety, clumsy device marketed as the “Type-Writer” in 1872. Today the keyboard is a universal fixture even on the most advanced, sophisticated computers and word processors electronic technology can produce
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