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  • Question
  • What is the speed of the train 'A'?
    I. Train A crosses 200-metre-long train B running in opposite direction in 20 seconds.
    II. Speed of the train B is 60 Km/h.
    III. Length of train A is twice that of train B.


  • Options
  • A. I and II only
  • B. II and III only
  • C. I and III only
  • D. All, I II and III

  • Correct Answer
  • All, I II and III 

    Explanation


  • Data Sufficiency problems


    Search Results


    • 1. 
      What is the present age of Subir?
      I. The present age of Subir is half that of his father.
      II. After 5 years the ratio of Subir's age to his father'swill be 6 : 11.
      III. Subir is 5 years younger than his brother.

    • Options
    • A. Only I and II
    • B. Only I and III
    • C. Only II and III
    • D. All I, II and III
    • Discuss
    • 2. 
      What is the rate of interest p.c.p.a.?
      I. The amount doubles itself in 5 years on simple interest.
      II. Difference between the compound interest and the simple interest earned on this amount in two years is $400.
      III. Simple interest earned per annum is $2000.

    • Options
    • A. Only I
    • B. Only II and III
    • C. Any two of the three
    • D. All I, II and III
    • Discuss
    • 3. 
      What is the cost of flooring a rectangular hall?
      I. Perimeter of the hall is 76 m
      II. Area of the hall is 336 m 2.
      III. Cost of flooring per square metre is $550.

    • Options
    • A. I and III only
    • B. II and III only
    • C. Any two of the three
    • D. All I, II and III
    • Discuss
    • 4. 
      What was the amount of profit earned?
      I. 10% discount was offered on the labelled price.
      II. Had there been not discount, profit would have been 30%
      III. Selling price was more than the cost price by 20%

    • Options
    • A. I and either II or III
    • B. Any two of the three
    • C. All I, II and III
    • D. Either I or II and III
    • Discuss
    • 5. 
      What is the price of 1 dozen oranges?
      I. Price of 2 dozen oranges and 1 dozen banana is $110.
      II. Price of 3 dozen apples and 1 dozen banana is $170.
      III. Price of 1 dozen oranges and 1 dozen apples is $95.

    • Options
    • A. Only I and II or only I and III
    • B. Only I and III or only II and III
    • C. Only I and II or only II and III
    • D. Only II and III
    • Discuss
    • 6. 
      What is the area of the isosceles triangle?
      I. Perimeter of the triangle is 14 m.
      II. Base of the triangle is 14 m.
      III. Height of the triangle is 5 m.

    • Options
    • A. I and II only
    • B. II and III only
    • C. I and II only or, II and III only
    • D. I and III only
    • Discuss
    • 7. 
      Who earns most among M, N, P, Q and R?
      I. M earns less than P but not less than R.
      II. Q earns more than M but not equal to N.
      III. N earns more than M and R.

    • Options
    • A. Question cannot be answered even within formation in all three statements
    • B. I and II only
    • C. Only I and II or only I and III
    • D. Only I and III
    • Discuss
    • 8. 
      The cost of carpeting a rectangular hall will be how much?
      I. Perimeter of a rectangle is 60 m.
      II. Angle between width and hypotenuse is 60°.
      III. The cost of carpeting the surface floor is $125 per m 2.

    • Options
    • A. Only I and II
    • B. Only II and III
    • C. Only I and III or only II and III
    • D. Question cannot be answered even within formation in all three.
    • Discuss
    • 9. 
      What is Sudha's present salary?
      I. The salary increases every year by 15%
      II. Her salary at the time of joining was $10000.
      III. She had joined exactly 5 years ago.

    • Options
    • A. II and III only
    • B. I and II only
    • C. All I, II and III
    • D. I and III only
    • Discuss
    • 10. 
      How many students are there in all in the institute of Arts, Commerce and Science?
      I. 20% of the students study Science.
      II. The numbers of students studying Arts and Commerce are in the ratio of 3 : 5.
      III. The number of students studying Commerce is more than that studying Science by 375.

    • Options
    • A. II and III only
    • B. III and either I or II only
    • C. Any two of the three
    • D. All I, II and III
    • Discuss


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