# Mathematical Series Questions for Competitive Exams

Most students face difficulties while solving maths questions. Students need special diligence to understand mathematics skills and compound questions. For this reason, it is necessary to read the questions carefully. Also, mathematics is a subject in which the more we practice, the easier it seems.

Here in this blog, select math series questions and answers of SSC, Bank, RRB and other government exams are given. These math questions have been asked in competitive exams and are likely to be asked again in other competitive exams. So try to solve Mathematical questions daily.

** Q : **

**A alone would take 6 hours more to complete the job than if both A and B would work together. When B worked alone he took 1.5 hours more to complete the job and A and B worked together. How much time they will take if they if they work together?**

(A) 3 hours

(B) 4 hours

(C) 4.5 hours

(D) 5 hours

(E) None of these

Correct Answer : A

**Q :**

Gopal and Ravi contracted a work for Rs 480. If Gopal can do that work in 15 days and Ravi can complete that same work in 10 days. He completed this work with Mahesh in 5 days, then tell me how much money Mahesh got.

(A) Rs.80

(B) Rs.120

(C) Rs.160

(D) Rs. 40

Correct Answer : A

**Q :**

If efficiency of B increased by $$ {33{1\over 3}{\%}}$$ and A and B start work together, while at the same time C starts destroying the work. Find in how many days work will be completed?

(A) 36 days

(B) 48 days

(C) 32 days

(D) 28 days

(E) 30 days

Correct Answer : A

**Q :**

A and B together can complete a work in 21 days. If A takes 42 days to complete the work alone, how many days will B take to complete the same work alone?

(A) 32

(B) 42

(C) 27

(D) 36

Correct Answer : B

**Q :**

A and B take the responsibility of doing a work for Rs 250. A can do that work alone in 5 days and B alone in 15 days. They complete the work in 3 days with the help of C. If everyone gets paid in proportion to the work, then how much amount will C get?

(A) Rs. 50

(B) Rs.100

(C) Rs. 150

(D) Rs. 200

Correct Answer : A

**Q :**

A, B, and C alone can do a work in 40 days ,120 days and 36 days respectively. A and B work together for 20 days and leave it incomplete. C carries on the work and complete it alone. How many days did C take to complete the work?

(A) 18

(B) 12

(C) 20

(D) 16

Correct Answer : B

**Q :**

A can do $$ {4\over 5}$$ of a work in 20 days and B can do $$ {3\over 4}$$ of the same work in 15 days. They work together for 10 days. C alone completes the remaining work in 1 day. B and C together can complete of $$ {3\over 4}$$ of the same work in:

(A) 6 days

(B) 8 days

(C) 5 days

(D) 4 days

Correct Answer : C

**Q :**

A and B working together, can do a piece of work in $$ {4{1\over 2}}$$ hours. B and C working together can do it in 3 hours. C and A working together can do it in $$ {2{1\over 4}}$$ hours. All of them begin the work at the same time. Find how much time they will take to finish the piece of work?

(A) 3 hours

(B) 2 hours

(C) 2.5 hours

(D) 1 hours

(E) None of these

Correct Answer : B

**Q :**

A and B together can do a certain work in x days. Working alone, A and B can do the same work in (x+8) and (x+18) days, respectively. A and B together will complete $$ {5\over 6}$$ of the same work in;

(A) 12 days

(B) 8 days

(C) 10 days

(D) 9 days

Correct Answer : C

**Q :**

Sudhir and Shyam can do a work in 12 days, while Shyam alone can complete it in 30 days. In how many days can Sudhir complete that work alone?

(A) 20 days

(B) 18 days

(C) 28 days

(D) 30 days

Correct Answer : A