The ratio of the present ages of Suman and Renu is 5 : 7
respectively. Four years hence the ratio will become 3 : 4
respectively. What is the present age of Renu in years?
(a) 28
(b) 24
(c) 20
(d) 21
(e) None of these
Answers were Sorted based on User's Feedback
Answer / suchi teegala
let the ratio of ages of suman and renu be 5x/7x
after four years
their ratio of ages is (5x+4)/(7x+4)=3/7
on solving the equation 20x+16=21x+12
we get x=4
on substitution in 7x
we get renu's present age as
28 years
Is This Answer Correct ? | 41 Yes | 5 No |
Answer / arun
let the ratio of ages of suman and renu be 5x/7x
after four years
their ratio of ages is (5x+4)/(7x+4)=3/4
on solving the equation 20x+16=21x+12
we get x=4
on substitution in 7x
we get renu's present age as
28 years
Is This Answer Correct ? | 6 Yes | 0 No |
Answer / pramodkumargaraladinni@gmail.c
The ratio of the present ages of Suman and Renu is 5 : 7
respectively. Four years hence the ratio will become 3 : 4
respectively. What is the present age of Renu in years?
ANS'
( 3:4 = or 3/7 and 4/7)
( 3*7=21 and 4*7 =28 and add the both answer like 21+28=49 multiple by 4 years= 196/7=28.
ans ; 28
Is This Answer Correct ? | 1 Yes | 0 No |
halley is clarks father& arthur is halleys father.after some years when halleys age is equal to arthurs age,halleys age becomes 5 times of clarks present age.clarks age then is 8 times his fathers present age. sum of arthur & halleys age is 100 find clarks present age
The numbers A, B and C make a sum of 98. If the ratio A:B is 2:3 and that B:C is 5:8, the third number would be
f(x,y) =x**2 -y**2 then the value of f(4,(f(1,2) is
Number Series 25,25,22,22,19,19,?
three clocks where set to true time .First run with the exact time ..second slows one minute/day. third gains one minute/day. after how many days they will show true time.
A theif steals half the total no of loaves of bread plus 1/2 loaf from a backery. A second theif steals half the remaing no of loaves plus 1/2 loaf and so on. After the 5th theif has stolen there are no more loaves left in the backery. What was the total no of loaves did the backery have at the biggining.
GENUINE opposite?
6 Answers Geometric Software, La Senza,
One man brought pen and book from 250 and he sold both at 10% profit on pen and 20% loss on book and finally he gained 40% what is the value of pen
is gular lake the largest lake in india?
pls send me the question paper and reasoning question of sbi probationary officer exam my email add:goutamda126@rediff.com
0 Answers State Bank Of India SBI,
The sum of the digits of a two digit number is 8. When 18 is added to the number, the digits are reversed. the number?
A coin with p(head)=0.6 is tossed twice.What is the probability that at least one head occurs?