June 04, 2016

Quantitative Aptitude: Data Sufficiency Set 1

Direction (Q.1-10): Each of the questions below consists of a questions and two statements numbered I and II given below it.You have to decide whether the data given in the statements are sufficient to answer the questions.Read both the statements and give answer.

1) if the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.
2) if the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.
3) if the data either in statement I alone or in statement II alone are sufficient to answer the question.
4) if the data given in both statement I and II together are not sufficient to answer the question.
5) if the data given in both statement I and II together are necessary to answer the question.

1. What is the average of A, 50, 60, 72, B and C?

     I. A is seven more than B.
     II. C is five less than A.

2. By how many years is Amit younger than Vishal?

    I. The ratio of Amit's present age to Vishal's age after 4 years is 5:7.
    II. The ratio of Amit's age four years ago to Vishal present age is 2:3.

3. How much time did P take to reach the destination ?

    I. The ratio of the speed of P to that of Q is 5:4.
    II. Q takes 30 minutes to reach the same destination.

4. A, B and C are three consecutive even numbers (not necessarily in this order).What is the sum of these numbers?

    I. The difference between A and B is 4.
    II. One third of B is 14.

5. The area of a square is equal to that of a circle. What is the circumference of the circle?

     I. The diagonal of the square is x inches.
     II. The side of the square is y inches.

6. What is the rate per cent per annum on an amount of Rs. 6,000 deposited in a Bank?

     I. The simple interest for four years is Rs. 36000
     II. The difference between the simple interest and compound interest is Rs 894.0375.

7. What is the salary of P, in a group of P,Q,R,S and T, whose average salary is Rs 75,000?

     I. Total of the salaries of Q and R is Rs. 85,000.
     II. Total of the salaries of S and T is Rs. 60,000.

8.  A train crosses another train running in the opposite direction in x seconds.What is the speed of the train?

     I. Both the trains are running at the same speed.
     II. The first train is y cm long.

9. What is Amit's age?

     I. Amit is half as old as Pravin.
     II. Amit's age is 2/5 of his father's age.The father's age is 55 years.

10. What is the cost of painting two adjacent walls of a hall at Rs. 450 per m2 having no door or window ?

      I. The length and breadth are in the ratio of 3:2.
      II. The perimeter of the hall is 50m and the height is one-fourth of the perimeter.


Answers

1.    4
2.    5
3.    5
4.    5
5.    3
6.    1
7.    5
8.    4
9.    2
10.  5

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