logo

CuriousTab

CuriousTab

Discussion


Home Aptitude Average See What Others Are Saying!
  • Question
  • The average marks of 30 students are 45 but after checking there are two mistakes found. After adjustment if a student got 45 more markes and other student got 15 less marks, then What will be the adjusted average?


  • Options
  • A. 45
  • B. 44
  • C. 47
  • D. 46

  • Correct Answer
  • 44 

    Explanation

    Total number of all students of the class = 30 x 45 = 1350
    ? New average after adjustment = (1350 - 45 + 15)/30 = 1320/30 = 44


  • More questions

    • 1. 
      In a two digit positive number the unit digit is equal to the square of ten's place digit. The difference between the original number and the number formed by interchanging the digit is 54. What of 40% of the original number?

    • Options
    • A. 64
    • B. 73
    • C. 84
    • D. Couldn't be determined
    • Discuss
    • 2. 
      In the given figure ?QPR = 90°, QR = 26 cm, PM = 6 cm, MR = 8 cm and ?PMR = 90°, find the area of ?PQR.

    • Options
    • A. 180 cm2
    • B. 240 cm2
    • C. 120 cm2
    • D. 150 cm2
    • Discuss
    • 3. 
      The average temperature of Monday, Tuesday, Wednesday, and Thursday was 38° C and that of Tuesday, Wednesday, Thursday and Friday was 40° C, if the temperature on Monday was 30° C, the temperature of Friday was?

    • Options
    • A. 40°
    • B. 39°
    • C. 38°
    • D. 30°
    • Discuss
    • 4. The angle between the minute hand and the hour hand of a clock when the time is 4.20, is:

    • Options
    • A. 0°
    • B. 10°
    • C. 5°
    • D. 20°
    • Discuss
    • 5. 
      A, B, C are the three angles of a ?. If A ? B = 15° and B ? C = 30°. Then ?A is equal to :

    • Options
    • A. 65°
    • B. 80°
    • C. 75°
    • D. 85°
    • Discuss
    • 6. 8, 27, 64, 100, 125, 216, 343

    • Options
    • A. 27
    • B. 100
    • C. 125
    • D. 343
    • Discuss
    • 7. The G.C.D. of 1.08, 0.36 and 0.9 is:

    • Options
    • A. 0.03
    • B. 0.9
    • C. 0.18
    • D. 0.108
    • Discuss
    • 8. The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is:

    • Options
    • A. 123
    • B. 127
    • C. 235
    • D. 305
    • Discuss
    • 9. The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is Rs. 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is:

    • Options
    • A. 3500
    • B. 4000
    • C. 4050
    • D. 5000
    • Discuss
    • 10. 
      In a game, A can give B 20 points, A can give C 32 points and B can give C 15 points. How many points make the game?

    • Options
    • A. 100
    • B. 200
    • C. 300
    • D. 400
    • Discuss


    Comments

    There are no comments.

Enter a new Comment