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#6676 2020-08-30 00:17:14

ganesh
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Registered: 2005-06-28
Posts: 31,215

Re: Oral puzzles

Hi,

#4820. Find the number of boys in a school if the total number of students in the school is 500 and out of these 500 students, 32% student are males?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6677 2020-09-01 00:11:43

ganesh
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Posts: 31,215

Re: Oral puzzles

Hi,

#4821. Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio A : B.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6678 2020-09-02 00:22:06

ganesh
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Registered: 2005-06-28
Posts: 31,215

Re: Oral puzzles

Hi,

#4822. Roger's annual salary is $15,000. If his salary is increased by 15%, then what will be his increased salary?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6679 2020-09-04 00:03:15

ganesh
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Registered: 2005-06-28
Posts: 31,215

Re: Oral puzzles

Hi,

#4823. The speed of a car is 50 kilometres per hour. If we increase the speed of the car by 20%, how much time will it take to cover 120 kilometres?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6680 2020-09-06 00:03:34

ganesh
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Registered: 2005-06-28
Posts: 31,215

Re: Oral puzzles

Hi,

#4824. Two students appeared in an examination. One of them secured 6 marks more than the other and his marks was 52% of the sum of their marks. Find the marks obtained by the better student.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6681 2020-09-08 00:02:57

ganesh
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Registered: 2005-06-28
Posts: 31,215

Re: Oral puzzles

Hi,

#4825. The price of sugar is reduced by 20%, which allows a saving of $2 per kilogram. Find the new price.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6682 2020-09-10 00:24:50

ganesh
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Registered: 2005-06-28
Posts: 31,215

Re: Oral puzzles

Hi,

#4826. In an annual examination, 'A' got 10% less marks than 'B' in mathematics. 'A' got 81 marks. Find the marks of 'B'.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6683 2020-09-11 00:48:23

ganesh
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Registered: 2005-06-28
Posts: 31,215

Re: Oral puzzles

Hi,

#4827. In an examination, 65% of the students passed in mathematics, 48% passed in physics, and 30% passed in both. How much percent of students failed in both the subjects?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6684 2020-09-12 00:22:01

ganesh
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Registered: 2005-06-28
Posts: 31,215

Re: Oral puzzles

Hi,

#4828. In an examination, 1100 boys and 900 girls appeared. 50% of the boys and 40% of the girls passed the examination. Find the percentage of candidates who failed.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6685 2020-09-14 00:05:07

ganesh
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Registered: 2005-06-28
Posts: 31,215

Re: Oral puzzles

Hi,

.

#4829. The length, breadth, and height of a cubic room are increased by 5%, 10%, and 50% respectively. Find the percentage change in the volume of the room.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6686 2020-09-16 00:05:26

ganesh
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Registered: 2005-06-28
Posts: 31,215

Re: Oral puzzles

Hi,

#4830. A number is mistakenly divided by 10 instead of being multiplied by 10. Find the percentage change in the result due to this mistake.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6687 2020-09-18 00:05:27

ganesh
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Registered: 2005-06-28
Posts: 31,215

Re: Oral puzzles

Hi,

#4831. The population of a city is 500,000. The rate of increase is 20% per annum. Find the population at the start of the third year.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6688 2020-09-20 00:03:44

ganesh
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Registered: 2005-06-28
Posts: 31,215

Re: Oral puzzles

Hi,

#4832. An examination of 300 marks needed to be passed by securing 30% marks. Kevin secured 20% more marks than the passing marks. Find the percentage of marks obtained by him.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6689 2020-09-22 00:04:43

ganesh
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Registered: 2005-06-28
Posts: 31,215

Re: Oral puzzles

Hi,

#4833. The marked price of a table is $12,000. If it was sold for $10,500, after allowing a certain discount, find the rate of discount.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6690 2020-09-24 00:08:53

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,215

Re: Oral puzzles

Hi,

#4834. The price of a shirt and a trouser are in the ratio 7:5. The price of a shirt is $200 more than the price of a trouser. Find the price of the trouser.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6691 2020-09-26 00:08:16

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,215

Re: Oral puzzles

Hi,

#4835. The value of a car depreciates every year by 10%. If the present value is $50,000, find the value of the car after 2 years.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6692 Today 00:02:12

ganesh
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Registered: 2005-06-28
Posts: 31,215

Re: Oral puzzles

Hi,

#4836. A number y is mistakenly divided by 5 instead of multiplied by 10. What is the percentage error in the result?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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