@vbhvgupta said:OA c
my bad!! i speeded too much!
@vbhvgupta said:In order to buy a car a man borrowed 180000 on the condition that he had to pay 7.5% interest every year. He also agree to repay the principal in equal annual installments over 21 years . After a certain no of years however the rate of interest has been reduced to 7%. It is also known that at the end of the agreed period, he will have paid in all rs 270900 in interest.For how many years does he pay at the reduced interest?
@pratskool : whats should be the answer???
please explain your approach
Q4
@vbhvgupta said:Q4
28920-15000= 13920
13920 = p+p*8*2/100
=> p+4/25p = 13920
=> p= 13920*25/29 = 12000
27000
@vbhvgupta said:approach??
Let x be the remaining amount
28,920 = x( 1 + 8 * 2 / 100 ) + 15000
x = 12000.
Original price = 12000 + 15000 = 27000
28,920 = x( 1 + 8 * 2 / 100 ) + 15000
x = 12000.
Original price = 12000 + 15000 = 27000
@krum can you solve this?
In order to buy a car a man borrowed 180000 on the condition that he had to pay 7.5% interest every year. He also agree to repay the principal in equal annual installments over 21 years . After a certain no of years however the rate of interest has been reduced to 7%. It is also known that at the end of the agreed period, he will have paid in all rs 270900 in interest.For how many years does he pay at the reduced interest?
Mr x got a profit of cp of 75 articles if he sells 100 articles .what is his profit % ?
ye kahan se uthaya hai question ???@Pradeep_Rss said:Mr x got a profit of cp of 75 articles if he sells 100 articles .what is his profit % ?
is the answer 75%
@Pradeep_Rss said:Mr x got a profit of cp of 75 articles if he sells 100 articles .what is his profit % ?
100SP-100Cp=75Cp
=>SP/CP = 7/4
Profit % = (7-4)/4 = 75%
=>SP/CP = 7/4
Profit % = (7-4)/4 = 75%
@Pradeep_Rss said:Mr x got a profit of cp of 75 articles if he sells 100 articles .what is his profit %
75%
In a network there are 20 cities with every city being connected with every other city by distinct routes. How many paths exist from city 3 to city 17, each of which passes through exactly 7 cities including cities 5,8,12 but excluding cities 7 and 9?
find the complete range of x for which (x^2+x+1)^2x
(-inf,0)
(0, inf)
(1 ,inf)
(-inf ,-1)
@bs0409 said:In a network there are 20 cities with every city being connected with every other city by distinct routes. How many paths exist from city 3 to city 17, each of which passes through exactly 7 cities including cities 5,8,12 but excluding cities 7 and 9?
We can to choose the remaining 4 cities from 13 cities so 13C4 ways. Now the 7 cities can be arranged in 7! ways
So 7!.13C4
So 7!.13C4
@raopradeep said:find the complete range of x for which (x^2+x+1)^2x (-inf,0)(0, inf)(1 ,inf)(-inf ,-1)
(1,inf)
@bs0409 said:In a network there are 20 cities with every city being connected with every other city by distinct routes. How many paths exist from city 3 to city 17, each of which passes through exactly 7 cities including cities 5,8,12 but excluding cities 7 and 9?
is it
(15c4-13c2)*7!
1287*7!
ways in which 5,8,12 will always be included 15c4
ways in which 5,8,12 and 7,9 also included 13c2
aranging the way to go to these cities 7!