Hello Aspirants. Welcome to Online English Sectionin AffairsCloud.com.We are Starting I**BPS Clerk course 2015** from today and we are creating question sample in **Quatitative Aptitude** section, Which will be asked in IBPS Clerk Prelims Exam.

**Stratus – IBPS Clerk Course 2015 **

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**Ten years ago, A’s age was half that of B. If the ratio of the present ages of A and B is 3 : 5, find the total of their present ages.**

A) 50

B) 60

C) 65

D) 80

E) None of these

**D) 80**

**Explanation:**

Let the present ages of A and B are 3x and 5x.

Then, 10 yrs ago, (3x-10) = ½ * (5x-10)

Solve, x = 10

So present ages of A and B are 30 and 50 resp, their sum = 80

**3 children A, B and C play a game. A puts Rs 50 and B puts Rs 45. At the end of 4 months, A withdraw half his capital and at the end of 6 months B also withdraws half of his capital. C then enters with a capital of Rs 70. At the end of a year, in what ratio the pofit will be divided?**

A) 81 : 80 : 67

B) 60 : 81 : 84

C) 70 : 81 : 84

D) 84 : 80 : 81

E) None of these

**E) None of these**

Explanation:

A’s share : B’s share : C’s share

50*4 + 50/2 * 8 : 45*6 + 45/2 * 6 : 70*6

80 : 81 : 84

**13 shirts costs Rs 50 each, 15 pants Rs 60 each, and 12 ties costs Rs 65 each. What is the average value of each article?**

A) Rs 58

B) Rs 58.25

C) Rs 58.50

D) Rs 58.75

E) Rs 59

**B) Rs 58.25**

**Explanation:**

Average = 13*50 + 15*60 + 12*65 / 13+15+12

**A sum of Rs 2600 is lent in two parts such that the interest on one part at 10% for 5 years is equal to that on another part at 9% for 6 years. Find the difference in two sums.**

A) Rs 100

B) Rs 150

C) Rs 200

D) Rs 300

E) Rs 400

**A) Rs 100**

Explanation:

Interests are equal. So,

1st part *5*10/100 = 2nd part * 6*9/100

This gives, 1st part : 2nd part = 27 : 25

So 1st part = 27(27+25) * 2600 = 1350

2nd part = 2600 – 1350 = 1250

So diff = Rs 100

**A vessel contains milk and water with a total quantity of 80 litres. 70% of milk and 30% of water is taken out of the vessel. It is found that the vessel is vacated by 55%. What is the initial quantity of milk and water respectively (in litres)?**

A) 60, 20

B) 50, 30

C) 55, 25

D) 45, 35

E) 40, 40

**B) 50, 30**

Explanation:

By method of allegation:

Milk water

70% 30%

. 55%

25% 15%

25 : 15 = 5 : 3

Milk = 5/(5+3) * 80 = 50 l

Water = 80 – 50 = 30 l

**5 men can prepare 10 toys in 6 days working 6 hrs a day. Then how many toys will be prepared by 12 men in 3 days working 8 hrs a day?**

A) 16

B) 18

C) 19

D) 20

E) 22

**A) 16**

**Explanation:**

Here making toys is a work. So,

M_{1}D_{1}T_{1}W_{2}= M_{2}D_{2}T_{2}W_{1}

This gives, 5×6×6× W_{2}= 12×3×8×10

W_{2}= 16 toys**A bag contains 3 white balls, 5 black balls and 4 yellow balls. 2 balls are drawn at random. What is the probability that both the balls are black in color?**

A. 6/33

B. 5/33

C. 8/33

D. 2/33

E) None of these

**B. 5/33**

**Explanation:**

From 5 black balls, ways for 2 balls is^{5}C_{2}= 5*4/2*1 = 10

There are a total of 12 balls. Ways for drawing 2 balls is^{12}C_{2}= 12*11/2*1 = 66

So required prob. =^{5}C_{2}/^{12}C_{2}= 10/66 = 5/33**An article costs Rs 480. A part of it is sold at 20% loss and the remaining part at x% profit thereby making a total of 5% profit on the whole transaction. Ratio of parts sold at x% profit and 20% loss is 5 : 1. Find the value of x.**

A) 130

B) 100

C) 50

D) 40

E) 10

**E) 10**

**Explanation:**

By the method of allegation:

Loss profit

-20 x

. 5

x-5 5-(-20)=25

Ratio at 20% loss to x% profit = 1 : 5

So x-5/25 = 1/5

Solve, x = 10

**A person travels from A to B at 60 km/hr and back from B to A at 40 km/hr. if eth total time taken for the journey is 30 minutes, find the total distance travelled by the man?**

A) 12 km

B) 20 km

C) 24 km

D) 30 km

E) 36 km

**C) 24 km**

**Explanation:**

When we are given total time for 2 journeys of equal distance,

One way distance = multiplication of speeds/addition of speeds * total time

So here distance from A to B = 60*40/(60+40) * 30/60 = 12 30 min is converted to hrs

So total distance travelled = 2*12 = 24**The surface area of a cube is 42 2/3 sq. m. Find its volume.**

A. 18 26/27 cu. m

B. 19 13/27 cu. m

C. 18 24/27 cu. m

D. 17 26/27 cu. m

E) 18 16/27 cu. m

**A. 18 26/27 cu. m**

**Explanation:**

6a^{2}= 128/3

So a^{2}= 64/9, a = 8/3

So volume = 8/3 * 8/3 * 8/3 = 512/27 = 18 26/27 cu. m

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