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

Questions Penned by Yogit

**Q(1 â€“ 10) Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the three statements and give answer: –**

**a) **If the data in statement I alone is sufficient to answer the question.

**b)** If the data in statement II alone is sufficient to answer the question.

**c) **If the data either in statement I alone or statement II alone are sufficient to answer the question.

**d)**If the data given in both I and II together are not sufficient to answer the question.

**e) **If the data in both the statements I and II together are necessary to answer the question

**What is the profit earned by selling a bike for rupees 50000?**

1) The cost price of 4 such bikes is equal to selling price of 3 bikes

2) 33.33% profit is earned by selling the bike.Answer –**c)****If the data either in statement I alone or statement II alone are sufficient to answer the question**

**Explanation :**

From 1^{st}statement, 4*cp = 3*sp

4*cp = 3*50000, cp = 37500

From second statement, 50000 = [(100 + 100/3)/100]*c

We get cp = 37500**What is the rate of interest p.c.p.a?**

1) The amount triples itself in 12 years

2) The simple interest accrued in 4 years is Rs. 2000.Answer –**a)****If the data in statement I alone is sufficient to answer the question**

**Explanation :**

From first statement, 2p = p*(r/100)*12

From second statement, 2000 = p*(r/100)*4**The average salary of 10 teachers of a school is Rs.4500. A group of teachers whose average salary is Rs.3000 leave the school and 3 new teacher joins. What is the average salary of new group of teachers in the school?**

1) There are 2 teachers that leave the school.

2) The salary of new teacher is 2500.Answer –**e) if****the data in both the statements I and II together are necessary to answer the question**

**Explanation :**

New average salary = (4500*10 â€“ 2*3000 + 3*2500)/11**What is the perimeter of the rectangular field?**

1) Area of the field is 72m^2.

2) Length and breadth are in the ratio of 2:1.Answer –**e****)****If the data in both the statements I and II together are necessary to answer the question**

**Explanation :**

From both equations, we get l = 12 andÂ b= 6 so perimeter = 36**How much profit did Bharti made by selling a chair?**

1) She bought the chair with 30% discount on marked price

2) She sold it with 10% profit on labelled price.Answer –**d****)****If the data given in both I and II together are not sufficient to answer the question.**

**Explanation :**

Cp = (70/100)*Mp

Sp = (110/100)*mp

We can find the profit/loss percent but we cannot the amount of profit.**How long will machine B, working alone take to produce â€˜yâ€™ candles?**

1) Machine A produces â€˜yâ€™ candles in 10 minutes

2) Machine A and Machine B working together produces â€˜yâ€™ candles in 4 minutesAnswer –**e)****If the data in both the statements I and II together are necessary to answer the question**

**Explanation :**

From both statements,

1/A + 1/B = 1/4

So, 1/B = 1/4 – 1/10 = 6/40

B = 20/3 minutes**A train crosses a pole in 20 seconds. What is the length of the train?**

1) The train crosses another train running in same direction with the speed of 80km/hr in 11 seconds.

2) Speed of the train is 54 km/hr.Answer –**b) If the data in statement II alone is sufficient to answer the question.**

**Explanation :**

From second statement, we get

L = 20*54*5/18 = 300 meter**What is the speed of boat in still water?**

1) It takes 4 hours to cover the distance between P and Q downstream

2) It takes 6 hours to cover the distance between P and Q upstream.Answer –**d)Â****If the data given in both I and II together are not sufficient to answer the question.**

**Explanation :**

D = 4*(b+s) and D = 6*(b-s)

So we canâ€™t find the value of b**What is the compound interest earned by Rahul at the end of 2 years?**

1) The amount invested is rupees 17000

2) Simple interest at the same rate for 2 year is rupees 2400 and the rate of interest is 10 p.c.p.aAnswer –**b)****If the data in statement II alone is sufficient to answer the question**

**Explanation :**

From second statement, we get

2400 = p*10/100*2

P = 12000

So CI = 12000*(1 + 10/100)^2 â€“ 12000 = 2520**How much time did P take to reach the destination?**

1) Q takes 24 minutes to reach the same destination

2) Ratio of the speed of P and Q is 3:4Answer –**e)****If the data in both the statements I and II together are necessary to answer the question**

**Explanation :**

3x/4x = 24/t

We get t = 32 minutes

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