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Question 1 of 10

1. Question

1 points

Category: Quantitative Aptitude

Directions for questions 1-5: Study the following table carefully, there are some data missing you have to find the values according to the given questions. Table:

What is the amount received by Chanchal, if the interest is compounded yearly for 4 years?

Directions for questions 1-5: Study the following table carefully, there are some data missing you have to find the values according to the given questions. Table:

What is the principal of Dina if the ratio of the rate of interest Arun to that of Dina is 3 : 4 and the amount of Dina is 27% more than that of Ella? (Rounded off the nearest digit)

Correct

Solution: Rate of interest of Dina = 6 × 4/3 = 8%, Amount of Dina = 127% of 54270= 68922.9. Since, Time = 7 years, Let the principal be x. Then, x + (x *8 *7)/100 = 68922.9 x (1+56/100) = 68922.9 x * 156/100 = 68922.9 X = 44181.34 i.e. X = 44180.

Incorrect

Solution: Rate of interest of Dina = 6 × 4/3 = 8%, Amount of Dina = 127% of 54270= 68922.9. Since, Time = 7 years, Let the principal be x. Then, x + (x *8 *7)/100 = 68922.9 x (1+56/100) = 68922.9 x * 156/100 = 68922.9 X = 44181.34 i.e. X = 44180.

Question 3 of 10

3. Question

1 points

Category: Quantitative Aptitude

Directions for questions 1-5: Study the following table carefully, there are some data missing you have to find the values according to the given questions. Table:

What will be the compound interest of Bharat in three years when his principal is 35% more than Arun’s?

Directions for questions 1-5: Study the following table carefully, there are some data missing you have to find the values according to the given questions. Table:

At what Rate of Interest does the amount of Ella become 5 times his principal?

Correct

Solution: Let the principal be x, Then, SI = 5x – x = 4x. Therefore, 4x = x × r × 4/100 hence, r = 100%

Incorrect

Solution: Let the principal be x, Then, SI = 5x – x = 4x. Therefore, 4x = x × r × 4/100 hence, r = 100%

Question 5 of 10

5. Question

1 points

Category: Quantitative Aptitude

Directions for questions 1-5: Study the following table carefully, there are some data missing you have to find the values according to the given questions. Table:

If the ratio of principal of Chanchal to that of Dina is 4 : 7 and the rate of interest of Dina is 20% less than that of Bharat, then what is the difference between the simple interest of Dina for 7 years and compound interest of him for 3 years?

Directions for Question number 6-8: The questions consist of two/three statements numbered “I, II and III” given below it. You have to decide whether the data provided in the statement are sufficient to answer the questions?

What is the circumference of the semi-circle?
Statement I: The difference between the length and the breadth of a parallelogram is 15cm.
Statement II: The area of the semi-circle is half the area of the parallelogram.
Statement III: The length of the parallelogram is 2.5 times the radius of the circle.

Correct

Solution: From I, L-B = 15cm
From II, Area of semi-circle = Area of parallelogram/2
From II, Length of parallelogram = 2.5*radius of circle
So from all the given statements it is insufficient to answer.

Incorrect

Solution: From I, L-B = 15cm
From II, Area of semi-circle = Area of parallelogram/2
From II, Length of parallelogram = 2.5*radius of circle
So from all the given statements it is insufficient to answer.

Question 7 of 10

7. Question

1 points

Category: Quantitative Aptitude

Directions for Question number 6-8: The questions consist of two/three statements numbered “I, II and III” given below it. You have to decide whether the data provided in the statement are sufficient to answer the questions?

What is the time taken by pipe A to fill a tank?
Statement I: The pipes A and B together can fill half of the tank in two hours and 24 minutes.
Statement II: Pipe A can fill the tank along with pipe C which can empty the tank in eight hours.
Statement III: The ratio of time taken by pipes A, B to fill the tank and the time taken by the pipe C to empty the tank is 2 : 3 : 4.

Correct

Solution: Let the time taken by pipes A, B and C to fill the tank be a, b, and c respectively. From statement I: 1/a+1/b = 1/(2(2 24/60)) = 1/(2(2 2/5) 1/a + 1/b = 5/24—-(1). From statement II: 1/a – 1/c = 1/8—-(2). From statement III: a:b:c= 2:3:4—–(3). Using 1 & 3 or using 2 & 3 we can find the value of a.

Incorrect

Solution: Let the time taken by pipes A, B and C to fill the tank be a, b, and c respectively. From statement I: 1/a+1/b = 1/(2(2 24/60)) = 1/(2(2 2/5) 1/a + 1/b = 5/24—-(1). From statement II: 1/a – 1/c = 1/8—-(2). From statement III: a:b:c= 2:3:4—–(3). Using 1 & 3 or using 2 & 3 we can find the value of a.

Question 8 of 10

8. Question

1 points

Category: Quantitative Aptitude

Directions for Question number 6-8: The questions consist of two/three statements numbered “I, II and III” given below it. You have to decide whether the data provided in the statement are sufficient to answer the questions?

What is the amount invested by Sanchi in the business?
I. Ratio of amounts invested by Sanchi and Aruna = 9:11
II. Total profit obtained = 1418520 Rs
III. Amount invested by Aruna constitutes 55% of the total investment
IV. Amount invested by Aruna is double the square of triple the square root of 3025

Correct

Solution: Statement I — -> Sanchi: Aruna = 9:11, Statement III —> Aruna: Sanchi = 11:9, Statement VI —–> Amount invested by Auna =(((sqrt(3025))*3)^2)*2 = Rs 54,450. Therefore, Amount invested by Sanchi = 54450* 9/11 = Rs. 44550

Incorrect

Solution: Statement I — -> Sanchi: Aruna = 9:11, Statement III —> Aruna: Sanchi = 11:9, Statement VI —–> Amount invested by Auna =(((sqrt(3025))*3)^2)*2 = Rs 54,450. Therefore, Amount invested by Sanchi = 54450* 9/11 = Rs. 44550

Question 9 of 10

9. Question

1 points

Category: Quantitative Aptitude

Directions for question (9-10): Read the following information and answer the questions that follow:

In two bags there are to be put altogether 5 red and 12 white balls, neither bag being empty.

How the balls must be divided so as to give a person who draws one ball from either bag the least chance of drawing red ball?

Correct

Solution: For the least chance of drawing a red ball the distribution has to be 5 Red + 11 white in one bag and 1 white in the second bag. This gives us ½ * 5/16 + ½ * 0 = 5/32.

Incorrect

Solution: For the least chance of drawing a red ball the distribution has to be 5 Red + 11 white in one bag and 1 white in the second bag. This gives us ½ * 5/16 + ½ * 0 = 5/32.

Question 10 of 10

10. Question

1 points

Category: Quantitative Aptitude

Directions for question (9-10): Read the following information and answer the questions that follow:

In two bags there are to be put altogether 5 red and 12 white balls, neither bag being empty.

How the balls must be divided so as to give a person who draws one ball from either bag the greatest chance of drawing a red ball?

Correct

Solution: For the greatest chance of drawing a red ball the distribution has to be 1 red in the first bag and 4 red + 12 white balls in the second bag. This gives us ½ * 1 + ½ * 4/16 = 5/8

Incorrect

Solution: For the greatest chance of drawing a red ball the distribution has to be 1 red in the first bag and 4 red + 12 white balls in the second bag. This gives us ½ * 1 + ½ * 4/16 = 5/8

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