Data Sufficiency quiz

1. Question 1 of 5

   Find out the length of train X given that the speed of train X is 20 m/sec. I. Train X crosses another train Y moving in the opposite direction in 6 sec and the speed of train Y is 50% more than the speed of train X. II. Length of train Y is 50% less than the length of train X.

   • AOption A: Only statement I
   • BOption B: Only statement II
   • COption C: Both I and II together
   • DOption D: Both together are not sufficient
   • EOption E: Either I or II alone
2. Question 2 of 5

   In how many days can A alone complete a piece of work? I. A and B together complete the work in 12 days. II. B alone completes the work in 20 days.

   • AOption A: Only statement I
   • BOption B: Only statement II
   • COption C: Both I and II together
   • DOption D: Both together are not sufficient
   • EOption E: Either I or II alone
3. Question 3 of 5

   What is the present age of Rohan? I. Five years ago, Rohan's age was twice the age of his sister. II. The present age of his sister is 15 years.

   • AOption A: Only statement I
   • BOption B: Only statement II
   • COption C: Both I and II together
   • DOption D: Both together are not sufficient
   • EOption E: Either I or II alone
4. Question 4 of 5

   What is the cost price of an article? I. The article was sold for Rs. 2400. II. A profit of 20% was earned on the article.

   • AOption A: Only statement I
   • BOption B: Only statement II
   • COption C: Either I or II alone
   • DOption D: Both together are not sufficient
   • EOption E: Both I and II together
5. Question 5 of 5

   What is the speed of the boat in still water when the upstream speed of the boat is equal to the speed of the stream? I. Time required to cover a certain distance upstream is 24 sec. II. Time required to cover the same distance downstream is 8 sec.

   • AOption A: Only statement I
   • BOption B: Only statement II
   • COption C: Both I and II together
   • DOption D: Both together are not sufficient
   • EOption E: Either I or II alone

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