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  • Question
  • 5 yr ago, the average age of Rashmi and Surbhi was 20 yr, Now, the average age of Rashmi, Surbhi and Meeta is 30 yr. What will be the age of Meeta after 15 yr.?


  • Options
  • A. 35 yr
  • B. 55 yr
  • C. 39 yr
  • D. 67 yr

  • Correct Answer
  • 55 yr 

    Explanation

    Total age of Rashmi and Surbhi (5 yr ago) 20 x 2 = 40 yr.
    Total age of Rashmi and Surbhi (at present) = 40 + 5 + 5 = 50 yr.
    Total age of Rashmi, Surbhi and Meeta (at present) = 30 x 3 = 90 yr.
    ? Present age of Meeta = 90 - 50 = 40 yr.
    ? Age of meeta after 15yr. = 40 + 15 = 55 yr.


  • More questions

    • 1. Find the radius of the circle if the area of its sector is 30.8 sq cm whose corresponding central angle is 72°?

    • Options
    • A. 3.5 cm
    • B. 7 cm
    • C. 14 cm
    • D. 10.5 cm
    • Discuss
    • 2. The angle between the minute hand and the hour hand of a clock when the time is 4.15 is

    • Options
    • A. 0
    • B. 37.5
    • C. 27
    • D. 15
    • Discuss
    • 3. What will come in place of the question mark (?) in the following questions ? 22% of ? + 166.64 = 340

    • Options
    • A. 788
    • B. 786
    • C. 784
    • D. 792
    • Discuss
    • 4. What is the measure of central angle of the arc whose length is 11 cm and radius of the circle is 14 cm?

    • Options
    • A. 45°
    • B. 60°
    • C. 75°
    • D. 90°
    • Discuss
    • 5. At 6?o clock a clock ticks 6 times. The time between first and last ticks is 30 seconds. How long does it tick at 12?o clock ?

    • Options
    • A. 66 sec
    • B. 55 sec
    • C. 36 sec
    • D. 24 sec
    • Discuss
    • 6. The sum of three consecutive odd numbers is 93. What is the middle number?

    • Options
    • A. 31
    • B. 33
    • C. 29
    • D. 27
    • Discuss
    • 7. A cylindrical vessel of height 5 cm and radius 4 cm is completely filled with sand. When this sand is poured out it forms a right circular cone of radius 6 cm. What will be the height of this cone? (Take ? = 22/7)

    • Options
    • A. 6.67 cm
    • B. 2.22 cm
    • C. 3.33 cm
    • D. 1.67 cm
    • Discuss
    • 8. At what time between 3 and 4 o?clock will the minute hand and the hour hand are on the same straight line but facing opposite directions ?

    • Options
    • A. 3:15 2/8
    • B. 3:49
    • C. 3:49 1/11
    • D. 3:51
    • Discuss
    • 9. The angles of a quadrilateral are in the ratio of 2:4:7:5. The smallest angle of the quadrilateral is equal to the smallest angle of a triangle. One of the angles of the triangle is twice the smallest angle of the triangle. What is the second largest angle of the triangle ?

    • Options
    • A. 80 degrees
    • B. 60 degrees
    • C. 120 degrees
    • D. 40 degrees
    • Discuss
    • 10. Point P is the midpoint of segment AB. Co-ordinates of point P are (2,1) and point A are (11,5). Co-ordinates of point B are

    • Options
    • A. (-7,-3)
    • B. (6.5,3)
    • C. (7,3)
    • D. (-6.5,-3)
    • Discuss


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