Quantitative Aptitude: Ratio and Proportion Questions Set 6

  1. In a pouch,there are coins of 25 paise , 10 paise and 5 paise in the ratio 1:2:3.If there are Rs 45 in all,find how many 25 paise coins are there in it?
    75
    60
    55
    65
    None of these
    Option A
    [(25x) + (10x * 2) + (5x * 3)] /100 =45
    60 x = 4500

     

  2. The ratio of the number of males and females in a college is 3:2.If 30% of males and 70% of females appeared in a test,the ratio of candidates appeared in test to that not appeared in the test is which of the following?
    21:20
    23:27
    24:25
    26:28
    None of these
    Option B
    30% males=30/100 * 30 = 9
    70% females= 70/100 * 20 =14
    =(9 + 14 ) : (50-23) =23:27

     

  3. Lucknow zoo has 66 tigers.Some white and rest yellow.Which of the following could be ratio of white to yellow tigers in lucknow zoo?
    1:3
    2:7
    2:9
    1:7
    None of these
    Option C

     

  4. The ratio of prices of 2 suits is 10:15.If the price of first suit is increased by 10% and that if the second suit by Rs 400 then th ratio of their prices is 4:7.What are the initial prices of the suits?
    88
    92
    98
    94
    None of these
    Option D

     

  5. The sum of 3 numbers is 68.If the ratio of 1st to 2nd is 3:2 and that of the 2nd to 3rd is 5:3,the which of the following is 2nd number?
    20
    22
    25
    32
    35
    Option B
    x:y= 3:2
    y:z=5:3
    y:z = (5*[2/5]) : (3*[2/5])

     

  6. Ratio of earnings of Avnish and Banya is 3:5.If the earnings of Avnish increase by 25% and those of Banya decrease by 30%,the new ratio of their earnings become 6:8.What is Avnish earnings?
    10000
    14000
    22000
    24000
    Data idequate
    Option E

     

  7. A sum of money is to be distributed among Priyal , Queen , Riya and Shivani is ratio of 2:5:6:7.If riya gets Rs 500 more than Shivani,what is Priyal’s share?
    Rs 1200
    Rs 1000
    Rs 1400
    Rs 1500
    Rs 1800
    Option B

     

  8. Two numbers are respectively are 40% and 60% more than the third number.The ratio of two numbers will be which of the following?
    7:8
    7:5
    2:5
    9:11
    None of these
    Option A
    Let 3rd number = x
    (140/100)x=(7/5)x
    (160/100)x=(8/5)x

     

  9. The salary of Avnsh ,Banya and Caryl is 5:3:2.If the increments of 20%,10% and 20% are allowed in their slaaries,the what will be new ratio ?
    14:17:19
    10:9:13
    20:11:8
    11:5:51
    None of these
    Option C

     

  10. Two numbers are in ratio 5:8.If 4 is subtracted fromeach ,the ratio becomes 1:2.Which of the following is smaller number?
    10
    8
    6
    12
    14
    Option A

     


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