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Day 266: SSC CGL Quant

5 questions. Try each one first, then open its answer.

  1. Question 1

    Averages. Asked once: 20 Jul 2023 S1 (same type asked 4 times) See all 4 of this type

    64
    The average age of a group of friends is 27 years. If 4 new friends whose average age is 25 years join them, the average age of the entire group becomes 26 years. How many people were there in the group initially?

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  2. Question 2

    Time, Speed and Distance. Asked once: 21 Jul 2023 S2 (same type asked 4 times) See all 4 of this type

    51
    The distance between two towns is covered in 7 hours and 30 minutes at the speed of 72 km/h. The time saved if the speed is increased by 25%25\% is:

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  3. Question 3

    Triangles. Asked once: 18 Jul 2023 S3 (same type asked 4 times) See all 4 of this type

    52
    D and E are points on the sides AB and AC, respectively, of ΔABC\Delta ABC such that DE is parallel to BC and AD : DB = 7 : 9. If CD and BE intersect each other at F, then find the ratio of areas of ΔDEF\Delta DEF and ΔCBF\Delta CBF

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  4. Question 4

    Time and Work. Asked once: 21 Jul 2023 S4 (same type asked 4 times) See all 4 of this type

    63
    Ajeet works 4 times as fast as Sohan. If Sohan can complete a work in 20 days independently, the number of days in which Ajeet and Sohan can together finish the work is:

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  5. Question 5

    Mensuration 3D. Asked once: 14 Jul 2023 S3 (same type asked 4 times) See all 4 of this type

    70
    The volume of a cone is 73920 cm3\text{cm}^3. If the height of the cone is 160cm, then find the diameter of its base.

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