Hello Aspirants. Welcome to Online Quantitative Aptitude section in AffairsCloud.com. Here we are creating question sample From all topics , which are Important for upcoming IBPS and RRB exams. We have included Some questions that are repeatedly asked in exams.

**Manish bought a chair set at 20% discount on the marked price. He sold the chair set for Rs 2875 with 15% profit on the marked price. At what price did he buy the set?**

A. Rs 1875

B. Rs 2000

C. Rs 2275

D. Rs 2500

B. Rs 2000

Explanation:

Let MP = x

CP = 80/100 * x

SP = 115/100 * x which is given to be 2875

Find x and then CP**A shopkeeper sells 25 articles at Rs 45 per article after giving 10% discount and earns 50% profit. If the discount is not given, the profit gained is?**

A. 20%

B. 25%

C. 66 2/3%

D. 13 1/3%

C. 66 2/3%

Explanation:

Let MP = x

SP of 1 article = 90/100 * x = 45, x = 50

CP of 1 article = 100/150 * 45 = 30

SP = 50, CP = 30, Find profit%

Find x and then CP**A and B can do a piece of work in 10 days and 17 days respectively. They start the work on alternate days with A starting the work. In how many days the work will be completed?**

A. 12 8/17 days

B. 12 8/15 days

C. 12 days

D. 13 days

A. 12 8/17 days

Explanation:

2 day’s work of A + B = 1/10 + 1/17 = 27/170

Multiply by 6 both sides

12 day’s work of A + B = 162/170

Remaining work = 1 – 162/170 = 8/170 = 4/85

Now on 13th day A’s turn, he does 1/10 work in 1 day, so 4/85 work in 8/17 day.

Total days 12 8/17**If 3/5 of a cistern is filled in 1 minute, how much more time will be required to fill the rest of it?**

A. 30 sec

B. 40 sec

C. 36 sec

D. 24 sec

B. 40 sec

Explanation:

Cistern left = 1 – 3/5 = 2/5

Let 2/5 cistern fills in x minutes

So, 3/5 * x = 2/5 * 1, this gives x = 2/3 min or 40 sec**In a can, A and B are in the ratio 7 : 5. When 9 litres of mixture is drawn off and 9 litres of B is put in, the ratio of A : B becomes 7 : 9. How many litres of A was contained in the can initially?**

A. 20

B. 21

C. 25

D. 28

B. 21

Explanation:

A = 7x litres, B = 5x litres

After drawing off 9 litres,

A left = 7x – 7/12 * 9 = (7x – 21/4) litres, B left = 5x – 5/12 * 9 = (5x – 15/4) litres

After adding 9 litres of B, B becomes (5x – 15/4 + 9) litres

Now, (7x – 21/4) / (5x – 15/4 + 9) = 7 / 9

Find x, x = 3, A contained in can = 7x = 21 litres**A sum of money lent out at simple interest amounts to Rs 720 after 2 yrs and to Rs 1020 after a further of 5 yrs. The sum is?**

A. Rs 400

B. Rs 550

C. Rs 600

D. Rs 800

C. Rs 600

Explanation:

Further of 5 yrs means 7 yrs in total

SI for 5 (7-2) yrs = 1020 – 720 = 300

SI for 1 yr = 300/5 = 60

P + 2*SI = 720

P + 2*60 = 720

P = 600**The ratio between the ages of A and B is 5 : 6 respectively. If the ratio between one-third age of A and half of B’s age is 5 : 9, then what is the age of B?**

A. 15

B. 18

C. 20

D. Cannot be determined

D. Cannot be determined**A motorboat, whose speed is 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hrs 30 min. The speed of stream in km/hr is?**

A. 4

B. 5

C. 6

D. 10

B. 5

Explanation:

Let speed of stream = x km/hr

30/(15+x) + 30/(15-x) = 9/2

Find x.**Ramesh can row a certain distance downstream in 6 hrs and return the same distance in 9 hrs. If the stream flows at the rate of 3 km/hr, find the speed of Ramesh in still water?**

A. 15 km/hr

B. 17 km/hr

C. 20 km/hr

D. 25 km/hr

A. 15 km/hr

Explanation:

Speed in still water = 3(9+6) / 9-6 = 15**The length of a rectangle is increased by 60%. By what percent should the width be decreased to maintain the same area?**

A. 25%

B. 37%

C. 37 ½%

D. 50%

C. 37 ½%

Explanation:

60/(100+60) * 100

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