Dell Percentage, Ration & proportion Questions

Question 1

Time: 00:00:00
In a school, 10% of the number of girls is equal to 1/20 of a 
number of boys. The ratio between the 'number of boys to
the number of girls is

1:2

1:2

2:1

2:1

1:4

1:4

4:1

4:1

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Question 2

Time: 00:00:00
The ratio of 25^2.5 : 5^3 is same as

1:5

1:5

5:1

5:1

1:25

1:25

25:1

25:1

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Question 3

Time: 00:00:00
Equal quantities of three mixtures of milk and water are 
mixed in the ratio 1:2, 2:3 and 3:4. The ratio of water
and milk in the mixture is:

193:122

193:122

61:97

61:97

137:178

137:178

122:193

122:193

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Question 4

Time: 00:00:00
Flights A and B are scheduled from an airport within the next one hour. 
All the booked passengers of the two flights are waiting in the boarding
hall after check-in. The hall has a seating capacity of 200 out of
which 10% remained vacant. 40% of the waiting passengers are ladies.
When boarding announcements came, passengers of flights A left the hall
and boarded the flight. Seating capacity of each flight is two-thirds
of the passengers who waited in the waiting hall for both the
flights put together. Half the passengers who boarded flight A are women.
After boarding for flight A, 60% of the waiting hall seats became empty.
For every twenty of those who are still waiting in the hall for flight B,
there is one air hostess in flight A. Then, what is the ratio of empty
seats in flight B to the number of air hostesses in flight A?

10:1

10:1

20:1

20:1

5:1

5:1

1:1

1:1

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Question 5

Time: 00:00:00
Instead of walking along two adjacent sides of a rectangular field, 
one can take a shortcut along the diagonal of the field and
save a distance equal to half of the longer side.
Find the ratio of the shorter side to the longer side.

1:4

1:4

2:5

2:5

4:3

4:3

3:4

3:4

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Question 6

Time: 00:00:00
The payment per hour for a daily-wages employee is increased by 33.33 
and the working time is reduced by 33.33%.
What is the percentage change in the employee's income?

11.11% decrease

11.11% decrease

21.11% increase

21.11% increase

11.11% increase

11.11% increase

21.11% decrease

21.11% decrease

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Question 7

Time: 00:00:00
The ratio of present ages of X and Y is 4:5. Which of the 
following can't be the ratio of ages of X and Y, 20 years ago?

2:4

2:4

9:10

9:10

2:3

2:3

3:5

3:5

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Question 8

Time: 00:00:00
Two numbers are respectively 20% and 50% more than a third number. 
The ratio of the two numbers is:

2:5

2:5

3:5

3:5

4:5

4:5

5:4

5:4

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Question 9

Time: 00:00:00
A sum of money is to be distributed among A, B, C, D in the 
proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D,
what is B's share?

Rs. 500

Rs. 500

Rs. 1500

Rs. 1500

Rs. 2000

Rs. 2000

None of these

None of these

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Question 10

Time: 00:00:00
Seats for Mathematics, Physics and Biology in a school are in 
the ratio 5 : 7 : 8. There is a proposal to increase these seats
by 40%, 50% and 75% respectively. What will be the ratio of increased seats?

2 : 3 : 4

2 : 3 : 4

6 : 7 : 8

6 : 7 : 8

6 : 8 : 9

6 : 8 : 9

None of these

None of these

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["0","40","60","80","100"]
["Need more practice! \n","Keep trying! \n","Not bad! \n","Good work! \n","Perfect! \n"]

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