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 !!

**P can do a work in 10days . Q is 50% more fast than P then how many days P and Q together can do the work?**

A)10/15

B)1/4

C)1/7

D)2/7**Answer – B)1/4 days**

Explanation :

P one day work =1/10

Q one day work =(150/100)*(1/10) = 15/100

1/10 + 15/100 = 25/100 = 1/4**If 2rs becomes rs 10 in 60 years at simple interest the rate is?**

A)3 (1/3)%

B)3 (1/3)%

C)2 (2/4)%

D)6 (2/3)%**Answer – D)6 (2/3)%**

Explanation :SI = (8*100)/60*2 = 6(2/3)%

P=2 rs

S.I=10-2=8rs**Anita had a certain number of apples with her. 20% of those were rotten. She managed to sell 90% of the remaining apples. What percentage of the apples with Anita was unsold?**

A)27

B)28

C)30

D)40**Answer – B)28**

Explanation :

consider cp=100

So 20 are rotten and 80 are good

Out of 80 90% are sold then =72

Rest is 28

So 28%**In a certain, the ratio of the number of students passed to the number of students failed is 7 : 4. Has 8 more students passed, the ratio of the number of students passed to the number of students failed would have been 9 : 4. Find the number of students who failed in the exam.?**

A)10

B)22

C)16

D)32**Answer – C)16**

Explanation :

Take no of student as 7x and 4x

Equation

(7x+8)/(4x) = 9/4

x= 4, no of students failed 4*4 = 16**Vijay marked his camera 50% above his cost price. He sold is after allowing a discount and still made a profit of 20%. What is the discount percentage he offered of it?**

A)10%

B)33%

C)20%

D)15%**Answer – B)20%**

Explanation :

let cp= 100

Mp=150

profit 20%,MP = 120

150-120=30

D %= (30/150)*100 = 20%**P,Q and R start a business. P invests one-third of the the capital,Q invests one-fourth of the capital and the rest is invested by R. The share of R in the total profit of Rs. 24000 is.**

A)30000

B)32000

C)10000

D)12000**Answer – C) 10000**

Explanation : Ratio of investment : 3:4:5

R share =(5/12)*24000 = 10000**Basket contains 3 blue, 2 green and 5 red balls. If three balls are picked at random, what is the probability that at least one is red?**

A)10/12

B)11/12

C)1/12

D)9/12**Answer – B)11/12**

Explanation :**In how many different ways can the letters of the word ‘affaircloud ’ be arranged?**

A)9979200

B)4536000

C)2768000

D)3421000**Answer – A)9979200**

Explanation :11!/(2!*2!) = 9979200**What is the speed of a train?**

I. The train crosses a pole in 5 seconds.

II. The train crosses a platform in 15 seconds.

III. The length of the train in metres is 120

A)1^{st}and 3^{rd}

B)2^{nd}and 3^{rd}

C)1^{st}and 2^{nd}and 3^{rd}

D)None**Answer – A)1**^{st}and 3^{rd}

Explanation :time and length is enough to calculate the speed of the train**(70^3) *(4^3)/(80^2) = ?**

A)3420

B)3440

C)3430

D)3410**Answer – C)3430**

Explanation :

(343000*64)/640 = 3430

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