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
- 5 Answers
- 21861 Views
- iGate, I also Faced
- E-Mail Answers
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 |
Two trains start from A & B and travel towards each other at speed of 50kmph and 60kmph resp. At the time of the meeting the second train has traveled 120km more than the first. The distance between them is
the program size is N. the memory occupied by the program is M=4000sqrt(N).if the program size is incresed by 1%.then what is the percentage increase in memory.
If A/B = 6/5,then 3A+2B =
22.) There are nine balls on a billiards table numbered consecutively from 1 to 9. Each ball carries the points equal to its complement of 10 for pocketing a ball. If the sum of the points obtained by pocketing the ball in the first three strokes is 8 and the sum of the points obtained by pocketing the ball in the last three strokes is 22, then which of the following cannot be the sum of the numbers written on the ball which were pocketed in the 1st, 5th and 8th stroke? (Assume in each stroke exactly one ball was pocketed and all the 9 balls were pocketed in 9 strokes) a) 19 b) 12 c) 23 d) 8 25.) 1 unit of A is made by mixing 4 units of B and 5 units of C. 1 unit of B is made by mixing 1 unit of X, 4 units of Y and 1 unit of Z. 1 unit of C is made by mixing 2 units of X, 6 units of Y and 1 unit of Z. The weight of 1 unit each of X, Y and Z is 5 kgs, 3 kgs and 8 kgs respectively. What is the total weight of Y required to make 1400 kgs of A? a) 630 kgs b) 720 kgs c) 690 kgs d) 870 kgs 26.) 10 points are chosen on a plane. Every possible pair of points is joined by a line and the midpoint of the line is marked with red colour. What is the minimum possible number points on the plane which have been marked with red colour? a) 9 b) 17 c) 27 d) 45 27.) A function F(n) is defined as F(n-1)=1/(2-F(n)) for all natural numbers n. If F(1) = 2, then what is the value of [F(1)] + [F(2)] +...+ [F(50)]? (Here, [x] is equal to the greatest integer less than or equal to x) a)51 b) 55 c) 54 d) 52
there are two categories of persons in ratio a:b = 2:3. A type earns 2.5 dollars/hr and b type 1 dollar/hr total money earned by both is 24dollars. Then what is the total number of persons
The benefit of Privy Purses had been abolished by Government of India in the year
00000=120 It is possible,how
9 Answers ADITI, College School Exams Tests, Infosys, TNPSC Tamil Nadu Public Service Commission, Welco Garment Machinery, Windows,
How is the father of the man ,who is the brother of the only aunt of my brother related to me?
(57*57*57-50*50*50)/(57*57-57*50+50*50)
A work is done by the people in 24 min. one of them can do this work a lonely in 40 min. how much time required to do the same work for the second person.
price of a product is reduced by 30% . What percentage should be increased to make it 100%
A man brought a house for Rs. 5lakhs and rents it. he puts 12 1/2% of each month's rent aside for repairs, pays Rs.1660 as annual taxes and realizes 10% on his investment thereafter. the monthly rent of the house is : a) Rs.2460 b)Rs.2500 c)Rs.4920 d)Rs.5000
English 
