Mixed Quantitative Aptitude Questions Set 211

Shubhra
  1. The sum of ages of three brother born of the intervals of 2 years each is 42 years. What is the age of the youngest brother ?
    10
    12
    11
    8
    9
    Option B
    x+(x+2)+(x+4)=42 (given the intervals are 2 years)
    3x+6=42 
    x =36/2=12
     Age of the youngest brother=12 years

     

  2. Cost of a table is Rs .5000 and selling price is Rs. 7000.What is the profit percent?
    20
    30
    40
    50
    25
    Option C
    Profit % = p/c.p x 100
    =2000/5000 x 100
    P%=40

     

  3. Ganesh can do a task in 4days . Prem can do a task in 6 days. How long if will take if both Ganesh & Prem work together?
    1day 4hrs
    2day 4hrs
    2day 6hrs
    3day 4hrs
    4day 4hrs
    Option C
    Ganesh 1day work=1/4
    Prem 1day work =1/6
    (Ganesh+Prem) =1/4+1/6=5/12
    So Ganesh& Prem will complete in 12/5=2day 4hrs together.

     

  4. If a boat travels with a speed 50km/hr in still water and the speed of stream is 10km/hrs . What would be the time taken by boat to go 80 km upstream?
    3
    2
    1
    4
    8
    Option B
    Upstream speed = x-y km/hr
    =50-10=40 km/hr
    T=distance/speed
    T=80/40=2hrs

     

  5. what is the simple interest on Rs 60000 at 5 ½% per annum for 2 years?
    5000
    4500
    6600
    4000
    6500
    Option C
    S.I = P X R X T/100=60000 x 5 ½ x 2/ 100
    S.I=Rs 6600

     

  6. Ram deposits Rs .20,000 for 2years with 5% compound interest. What amount will be get at last?
    Rs .12050
    Rs .22050
    Rs .20050
    Rs .13050
    Rs .15050
    Option B
    Amount= P x (1+r/100)n
    =20000 X (1+5/100)2
    =20000 x 105/100)2
    =20000x 105×105/10000
    =Rs .22050

     

  7. A florist choose one rose at random from the basket which have rainbow colors of roses. what is the probability of choosing yellow color rose?
    1/5
    1/8
    1/9
    1/7
    1/4
    Option D
    S=(rainbow color roses)
    S=(V,I,B,G,Y,O,R)=N(S)=7
    P(Yellow rose)=P(S)/N(S)=1/7 (Only one yellow rose)

     

  8. How many multiples of 2 are there in 10 to 80?
    34
    35
    36
    33
    40
    Option C
    Multiples of 2 =>last digits must be 0, 2, 4, 6, 8
    And first digit 1,2 ,3,4,5,6,7,
    So there are 7 choices for the first number and 5 choices for the second number.
    So there are 5x 7 =3 5 + 1= 36 (include 80) multiples of 2 in between 10 and 80.

     

  9. In a shop two partners invested in the ratio 10:20 and they got the profits in the ratio 5:4.If the first partner invest the money for 10 months the how many months the second partner invested?
    15
    12
    17
    16
    18
    Option D
    Investment ratio: 10:20
    Profit ratio :5:4
    First partner invested 10 months.
    Second parner invested x (take) months.
    So 10 x 20 / 10 x x = 5/4
    20/x = 5/4
    x = 16 months

     

  10. Two glasses of equal capacity contains sand and color powder.The ratio of the mixing is 2:3 and 5:4 respectively. These mixture are transferred into a big bowl.Then what is the ratio of sand and color powder in the bowl?
    1:2
    1:1
    1:3
    1:4
    1:6
    Option B
    Ratio= 2 + 5 : 3+4 = 7: 7= 1:1

     

  1. The sum of ages of three brother born of the intervals of 2 years each is 42 years. What is the age of the youngest brother ?
    10
    12
    11
    8
    9
    Option B
    x+(x+2)+(x+4)=42 (given the intervals are 2 years)
    3x+6=42 
    x =36/2=12
     Age of the youngest brother=12 years

     

  2. Cost of a table is Rs .5000 and selling price is Rs. 7000.What is the profit percent?
    20
    30
    40
    50
    25
    Option C
    Profit % = p/c.p x 100
    =2000/5000 x 100
    P%=40

     

  3. Ganesh can do a task in 4days . Prem can do a task in 6 days. How long if will take if both Ganesh & Prem work together?
    1day 4hrs
    2day 4hrs
    2day 6hrs
    3day 4hrs
    4day 4hrs
    Option C
    Ganesh 1day work=1/4
    Prem 1day work =1/6
    (Ganesh+Prem) =1/4+1/6=5/12
    So Ganesh& Prem will complete in 12/5=2day 4hrs together.

     

  4. If a boat travels with a speed 50km/hr in still water and the speed of stream is 10km/hrs . What would be the time taken by boat to go 80 km upstream?
    3
    2
    1
    4
    8
    Option B
    Upstream speed = x-y km/hr
    =50-10=40 km/hr
    T=distance/speed
    T=80/40=2hrs

     

  5. what is the simple interest on Rs 60000 at 5 ½% per annum for 2 years?
    5000
    4500
    6600
    4000
    6500
    Option C
    S.I = P X R X T/100=60000 x 5 ½ x 2/ 100
    S.I=Rs 6600

     

  6. Ram deposits Rs .20,000 for 2years with 5% compound interest. What amount will be get at last?
    Rs .12050
    Rs .22050
    Rs .20050
    Rs .13050
    Rs .15050
    Option B
    Amount= P x (1+r/100)n
    =20000 X (1+5/100)2
    =20000 x 105/100)2
    =20000x 105×105/10000
    =Rs .22050

     

  7. A florist choose one rose at random from the basket which have rainbow colors of roses. what is the probability of choosing yellow color rose?
    1/5
    1/8
    1/9
    1/7
    1/4
    Option D
    S=(rainbow color roses)
    S=(V,I,B,G,Y,O,R)=N(S)=7
    P(Yellow rose)=P(S)/N(S)=1/7 (Only one yellow rose)

     

  8. How many multiples of 2 are there in 10 to 80?
    34
    35
    36
    33
    40
    Option C
    Multiples of 2 =>last digits must be 0, 2, 4, 6, 8
    And first digit 1,2 ,3,4,5,6,7,
    So there are 7 choices for the first number and 5 choices for the second number.
    So there are 5x 7 =3 5 + 1= 36 (include 80) multiples of 2 in between 10 and 80.

     

  9. In a shop two partners invested in the ratio 10:20 and they got the profits in the ratio 5:4.If the first partner invest the money for 10 months the how many months the second partner invested?
    15
    12
    17
    16
    18
    Option D
    Investment ratio: 10:20
    Profit ratio :5:4
    First partner invested 10 months.
    Second parner invested x (take) months.
    So 10 x 20 / 10 x x = 5/4
    20/x = 5/4
    x = 16 months

     

  10. Two glasses of equal capacity contains sand and color powder.The ratio of the mixing is 2:3 and 5:4 respectively. These mixture are transferred into a big bowl.Then what is the ratio of sand and color powder in the bowl?
    1:2
    1:1
    1:3
    1:4
    1:6
    Option B
    Ratio= 2 + 5 : 3+4 = 7: 7= 1:1

     

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