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Mixed Quantitative Aptitude Questions Set 30

Quant Questions Bank PO

Quantitative Aptitude Questions for IBPS RRB PO/Clerk, SBI PO, IBPS PO, NIACL, NICL, RBI Grade B, BOI, Bank of Baroda and other competitive exams

  1. A person completes his journey of 2430 km by three mediums . Ratio of the speeds of train, car and bike  are 5:3:2 and times of journey are in the ratio 4:3:2.If his final average  speed is 30km/hr then what is the difference between the distance covered by train and car ?
    A) 680km
    B) 720km
    C) 810km
    D) 850km
    E) None of these
    View Answer
  2. P and Q can complete  a piece of work in 15 days and 12 days respectively. Q starts the work with  R . After 2 days ,P joined R on the place of Q and the work got completed by them after 5 days from starting . How many days are required for R to complete the whole work alone?
    A) 8(7/19)
    B) 17(7/19)
    C) 19(7/17)
    D) 7(17/19)
    E) 17(8/17)
    View Answer
  3. In a mixture ,ratio of water and milk is 4:5. In the other mixture ratio of milk and water is 3:2. If both mixtures are added in the ratio of 63:55,then  what is the ratio of water to milk in final mixture ?
    A) 21:30
    B) 12: 18
    C) 25:34
    D) 28:36
    E) 23:32
    View Answer
  4. A train is moving with a uniform speed . It crosses a 400 m long platform in 40 sec and a 800 m long bridge in 60sec. Other train is moving with a uniform speed of 72km/hr and crosses a person standing on platform in 15 sec. What is the ratio of the length of first train to second train ?
    A) 4:3
    B) 5:6
    C) 3:2
    D) 9:5
    E) 5:4
    View Answer
  5. In a city ,number of males and females are in a certain ratio, 45% of male population and 35 % of female population are minors who can’t vote .Number of male voters are equal to number of female voters .Number of voters is how  much percent of the population of the city ?
    A) 60%
    B) 58.49%
    C) 59.58%
    D) 55.8%
    E) 64.5%
    View Answer
  6. The speed of Rajdhani Express and Shatabdi Express are in the ratio 9:11 . They are going in opposite direction along parallel tracks. If each takes 7 seconds to cross a  telegraph post ,then how much time taken by the both trains to cross each other completely ?
    A) 11 seconds
    B) 14 seconds
    C) 9 seconds
    D) 7 seconds
    E) 10 seconds
    View Answer
  7. Rohan has Rs. 48,000 in his locker three years ago.In the first year,he deposited 10% of the amount  in his locker . In the second year , he deposited 35% of the amount in the locker at the end  of first year and finally he deposited 40% of the total amount in the locker . Find the amount at present in his locker?
    A) 100,145
    B) 99,457
    C) 98,623
    D) 99,457
    E) 99,792
    View Answer
  8. A dice is thrown  twice . What is the probability of getting a sum 9 from both the throws ?
    A) 1/9
    B) 2/9
    C) 1/3
    D) 3/5
    E) None of these
    View Answer
  9. Smallest  side of a right angled triangle  is 8 cm less than the side of  a square of perimeter  56 cm . Second largest of  side of the right angled triangle is 4 cm less than the length of rectangle of area 96 sq. cm and breadth  8cm . What is the largest side of the right  angled triangle ?
    A) 14 cm
    B) 10 cm
    C) 12 cm
    D) 20 cm
    E) 18 cm
    View Answer
  10. If there are 17 non-collinear points .In how many ways can be a line formed ?
    A) 125
    B) 130
    C) 136
    D) 128
    E) None of these
    View Answer

 

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  • _/_

    ty

  • Jellyfish

    7/10 ty az
    Mam que 1
    Speed ratio 5:3:2
    Time 4:3:2
    Average speed 30
    2430/40=81 hrs
    Train=36hrs
    Car=27
    Bik=18
    Speed me 30*3=90
    Train=45
    Car=27
    36*45-27*27=891 ye correct kyu nahi ho sakta

    • cActi🌵

      Kyuki hume ratios di gayi h.

      • Jellyfish

        Ha to ratio me hi split kiya hai na speed ko

        • cActi🌵

          lekin jo speed h wo individually ration mein diya hua h

  • ghanti

    please some one help solving que 3 using alligation

    • cActi🌵

      total qty . of milk and water find karo pehle dono mixture se ,
      then dono mixtures ko add krte h to == 118 ayega
      so , water ————– milk
      50 68
      118
      50 68
      ratio….. 50 :68 = 25 :34

  • jaga

    q2 …(1/12+1/x)*2+ (1/15+1/x)*3=1

  • jaga

    thank u mam