Question
A man travels some distance at a speed of 36 km/hr and
returns at a speed of 27 km/hr. If the total time taken by him is 2 hrs 20 min, the distance isSolution
Let the distance travelled by a man be D km According to the question, Total time taken = 2 hrs 20 min = 2(20/60) = 7/3 hours Total time = T1 + T2 D/36 + D/27 = 7/3 (3D + 4D)/108 = 7/3 7D/108 = 7/3 D = 36 km
 A fruit seller bought 186 bananas at the rate of ₹72 per dozen. He found that 35 bananas were rotten and could not be sold. He sold the re...
The ratio between the present age of Beena and Meenal is 7:9, where Sumit is 4 years younger than Meenal then find the ratio of their ages 6 years hence.
- The age ratio of 'P' and 'Q' 4 years ago was 7:6 respectively. 12 years from now, the ratio of their ages will be 11:10 respectively. What is the present a...
The average age of a group of 70 students is 14 years. If three students whose ages are 22 years, 20years, ________ years are replaced with th...
Amit age after 16 years will be 2 times his age 2 years back. What is the present age of Amit?
B is 5 years older than A and A is 8 years older than C. If the sum of the age of A and C is 24 years, then find the sum of the ages of all three.Â
The ages of A and B are in the ratio 5:7. If the sum of their ages is 72 years, what will be A's age after 6 years?
The average age of Mohan, his wife, his son and his daughter is 24 years. His wife is just 5 years younger than Mohan himself and his wife was 25 years ...
- Three years ago, A’s age was 9 years less than 1.3 times his current age. The ratio of B’s age after 4 years to C’s age 2 years ago is 3:1. What is B...
The sum of the ages of a father and his son is 50 years. After 10 years, the father will be four times as old as the son. What are their current ages?
Relevant for Exams:
