Question
The income of ‘A’ increases by 10% every year. If
his income 2 years hence from now will be Rs. 27951, then find his income a year before from now.Solution
Let the present income of ‘A’ be Rs. x Therefore, x(1 + 10/100)2 = 27951 Or, x = 27951/(1.1)2 = 23100 Therefore, his income a year before from now = 23100/1.1 = Rs. 21000
A man reaches his destination in 6 hours at his usual speed. If his speed is reduced by (1/4), he travels 30 km less in the same time. What is his usual...
Ajay and Vishal left the place ‘X’ with different speeds which are in the ratio 4:3 respectively. Ajay left the place 36 seconds after Vishal. If af...
A motor-cycle covers 100 km with a speed of 40 km/hr. find the speed of the motor-cycle for the next 100 km journey so that the average speed of the who...
Find the distance travelled (in km) by the truck to reach point B from point A, if a car cover 45% the same distance in 2 hours 42 minutes and a truck c...
Suniti goes to gym at a speed of 3 km/hr and returns back at a speed of 5 km/hr. If she takes 8 hrs in all. Find the distance between her home and gym.
The speed of two cars A and B are in the ratio of 12:15 respectively. Car A travels 15 km less than the car B in the same time duration. What was the di...
Traveling at a speed of 's' km/hr, 'C' requires 22 seconds to complete one lap around the perimeter of a circular track with a radius of 35 meters. Dete...
- How far will 'Arjun' travel by the time he catches up to 'Rohan', given that 'Arjun' starts 150 km behind and moves at 55 km/h while 'Rohan' moves at 35 km...
A is cycling at an average speed of 10 km/hr such that he can reach a certain point at 12 noon. If he cycles at 30 km/hr, then he will reach the destina...
The distance between Rahul's house and the gym is 60 km. When travelling at ___ km/h, Rahul reaches the gym at his usual time. However, when he reduces ...
Relevant for Exams:
