ritam_s's posts

ritam_s
replied to Official Quant thread for CAT 09-III (September...

having some basic conceptual doubts in Permutation,Combi n Probablity...pls guide me...thanks in advance

Q.

A student is allowed to select at most n books from a collection of 2n+1 books. If the total number of ways in which he can select at least one book is 63. Find value of n?

1. 4

Q.

A student is allowed to select at most n books from a collection of 2n+1 books. If the total number of ways in which he can select at least one book is 63. Find value of n?

1. 4

ritam_s
replied to Official Quant thread for CAT 09-III (September...

I think its a annuity based concept...can any1 guide me how to solve such problems

Q.

An amount of $12820 due 3 yrs hence, is fully repaid in three annual installments starting after 1 year. The 1st instalment is 1/2 the 2nd instalment and 2nd instalment is 2/3rd of the 3rd. If the rate of ...

Q.

An amount of $12820 due 3 yrs hence, is fully repaid in three annual installments starting after 1 year. The 1st instalment is 1/2 the 2nd instalment and 2nd instalment is 2/3rd of the 3rd. If the rate of ...

ritam_s
replied to Quant by Arun Sharma

Pls explain

Q.

The weight of an iron bucket increases by 33.33% when filled with water to 50% of its capacity. Which of these may be 50% of the weight of the bucket when it is filled with water( assume the weight of bucket and its capacity in kg to be integers?

1. 7 kg

2. 6 kg

3. 5...

Q.

The weight of an iron bucket increases by 33.33% when filled with water to 50% of its capacity. Which of these may be 50% of the weight of the bucket when it is filled with water( assume the weight of bucket and its capacity in kg to be integers?

1. 7 kg

2. 6 kg

3. 5...

ritam_s
replied to Quant by Arun Sharma

Pls explain

Q.

Each of A,B and C need a certain unique time to do a certain work.C needs 1 hr less than A to complete the work.Working together, they require 30 minutes to complete 50% of the job.The work also gets completed if A and B start working together and A leaves after 1 hr and B wo...

Q.

Each of A,B and C need a certain unique time to do a certain work.C needs 1 hr less than A to complete the work.Working together, they require 30 minutes to complete 50% of the job.The work also gets completed if A and B start working together and A leaves after 1 hr and B wo...

ritam_s
replied to Quant by Arun Sharma

Pls expalin

Q.

Mini and Vinay are quiz masters preparing for a quiz.In 'x' minutes, Mini makes 'y' questions more than Vinay. If it were possible to reduce the time needed by each to make a question by 2 mins, then in 'x' minutes Mini would make '2y' questions more than Vinay. How many ques...

Q.

Mini and Vinay are quiz masters preparing for a quiz.In 'x' minutes, Mini makes 'y' questions more than Vinay. If it were possible to reduce the time needed by each to make a question by 2 mins, then in 'x' minutes Mini would make '2y' questions more than Vinay. How many ques...

ritam_s
replied to Quant by Arun Sharma

Pls Explain

Q.

Each of A,B and C need a certain unique time to do a certain work.C needs 1 hr less than A to complete the work.Working together, they require 30 minutes to complete 50% of the job.The work also gets completed if A and B start working together and A leaves after 1 hr and B wo...

Q.

Each of A,B and C need a certain unique time to do a certain work.C needs 1 hr less than A to complete the work.Working together, they require 30 minutes to complete 50% of the job.The work also gets completed if A and B start working together and A leaves after 1 hr and B wo...

ritam_s
replied to Official Quant thread for CAT 09-II [July 09 on...

Pls guide

It takes 6 days for 3 women and 2 men working together to complete a work.3 men would do the same work 5 days sooner than 9 women.How many times does the output of a man exceed that of a woman?

1] 3 times

2] 4 times

3] 5 times

4] 6 times

5] 7 times

It takes 6 days for 3 women and 2 men working together to complete a work.3 men would do the same work 5 days sooner than 9 women.How many times does the output of a man exceed that of a woman?

1] 3 times

2] 4 times

3] 5 times

4] 6 times

5] 7 times