Hello Aspirants. Welcome to Online Quantitative Aptitude section in AffairsCloud.com. Here we are creating question sample From all topics , which is common for all the IBPS,SBI exam and other competitive exams. We have included Some questions that are repeatedly asked in exams !!

**The price of oil is increased by 20%,as a result a family decrease consumption by 25%.The expenditure of the family on oil will be**

1).90%increase

2).10%incraese

3).90%decrease

4).10%increase.

###### Answer

**4).10%increase.**

Exp: (120/100)×(75/100)×100=90.

100-90=10%(should be decrease)**A rectangular grassy plot 110 m by 65 m has a gravel path 2.5 m wide all round it on the inside. Find the cost of gravelling the path at 80 paise per sq. Meter**

1).Rs.680

2).Rs.860

3).Rs.608

4).None.

###### Answer

**1).Rs.680**

Exp: overall area of the grassy plot is 110 x 65 =7150 sq. meters.The area of the grassy plot

after applying the gravel path is 105 x 60=6300 sq. meters.Area of the gravel path is 7150 –

6300 = 850 sq.mtrs.Hence x 0.80=Rs.680 .**A game of the football with 11 players lasts for exactly 80minutes.There are 4 substitutes that alternate equally.If each player plays for the same length of the time,What is the duration?**

1)120m

2)20m

3)84m

4)40m

###### Answer

**2)20m**

Exp: 80/4=20m.**20 workers working 5hours a day can finish the work in 20 days.If the workers went to work for 4hours a day.How many more workers are required to complete the work in same 20days?**

1)7

2)4

3)5

4)6

###### Answer

**3)5**

Exp: workers required for 4h=>(5/4)×20=25.

25-20=5.**Pencils are bought at 3 for Rs.2 and sold at 2 for Rs.3.Find the gain percentage**

1)100%

2)110%

3)125%

4)115%

###### Answer

**3)125%**

Exp: [3(3)-2(2)]/4=5/4

In percentage=> (5/4)×100=125%.**In how many ways letter of the world BANKING can be arranged so that vowels always come together?**

1)240

2)120

3)720

4)540

###### Answer

**3)720**

Exp: [(6!)/(2!)]×(2!)=360×2=720 [(6!)/(2!)]-letters formed, 2!-Vowels.**A bag contain 4 white & 5 red and 6blue color balls,3 balls are drawn randomly.What is the probability of all the balls are red?**

1)1/22

2)3/22

3)2/90

4)2/91

###### Answer

**4)2/91**

Exp: 15C3/5C2=(15×14×13)/(3×2×1)=10/455=2/91**A boat cover a certain distance downstream in 2hr while it comeback 3/2hrs.If the speed of the stream be 4kmph.what is the speed of the boat in still water?**

1)21kmph

2)18kmph

3)22kmph

4)12kmph

###### Answer

**1)21kmph**

Exp:(x+3) ×2=(x-3)(3/2)=>21.**Two pipes A and B can fill a tank in 5 and 6hrs.Pipe C can empty it in 12hrs.If all the 3 pipes are opened together,then the tank will be filled in**

1)1(13/17)hrs

2)2(8/11)hours.

3)3(9/17)hrs

4)4(1/2)hrs

###### Answer

**3)3(9/17)hrs**

Exp:Net part filled in 1hr=>(1/5+1/6-1/12)=17/60

Tank filled in=60/17=3(9/17).**a/3=b/4=c/7 then find (a+b+c)/c.**

1)7

2)2

3)1/2

4)1/7.

###### Answer

**2)2**

Exp: (3+4+7)/7=>14/2=2.

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