Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

#8726 2020-06-26 00:54:21

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,587

Re: 10 second questions

Hi,

#7777. The sum of 55% of a number and 40% of the same number is 180.5. What is 80% of that number?


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.

Offline

#8727 2020-06-28 00:20:03

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,587

Re: 10 second questions

Hi,

#7778. 20% of the cost price of a plot with an area of 395 square feet is $78,210. What is the rate per square feet of the plot?


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.

Offline

#8728 2020-06-30 00:16:29

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,587

Re: 10 second questions

Hi,

#7779. A plot of 1800 square feet is available at the rate of $630 per square feet. If 45% of the total cost of the plot is to be paid at the time of booking it, how much is the booking amount?


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.

Offline

#8729 2020-07-02 00:13:27

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,587

Re: 10 second questions

Hi,

#7780. If the numerator of a fraction is increased by 300% and the denominator is increased by 200%, the resultant fraction is 4/15. What is the original fraction?


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.

Offline

#8730 2020-07-04 00:15:59

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,587

Re: 10 second questions

Hi,

#7781. Sally's income decreased from $10,500 to $9000. What is the decrease %?


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.

Offline

#8731 2020-07-06 00:38:51

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,587

Re: 10 second questions

Hi,

#7782. A car is presently worth $360,000. The rate of depreciation is 10%. What would be the worth of the car two years from now?


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.

Offline

#8732 Today 00:07:37

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,587

Re: 10 second questions

Hi,

#7783. Karl increased his speed by

Find his increased speed if previously he was driving at 72 kilometers per hour.


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.

Offline

Board footer

Powered by FluxBB