At present, the ratio between the ages of Arun and Deepak is 4 : 3. After 6 year

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Question
At present, the ratio between the ages of Arun and Deepak is 4 : 3. After 6 years, Arun's age will be 26 years. What is the age of Deepak at present?
Options
A. 12 years
B. 15 years
C. 19 and half
D. 21 years

Correct Answer

15 years

Explanation

Let the present ages of Arun and Deepak be 4x years and 3x years respectively. Then,

4x + 6 = 26 ⟺ 4x = 20

x = 5.

∴ Deepak's age = 3x = 15 years.

More questions

1.
A train 50 meters long passes a platform 100 m long in 10 second. The speed of the train is?
Options
A. 10 km/hr
B. 15 km/hr
C. 54 km/hr
D. 100 km/hr

2. A train left from station A for station B at 4 pm at an average speed of 80 kmph. At 8 pm, another train also had left from station A for station B on a parallel track at an average speed of 120 kmph. How far from A is another train expected to overtake the first train?
Options
A. 900km
B. 940km
C. 960km
D. 980km

3. To travel 432 km, an Express train takes 1 hour more than Duronto. If however, the speed of the Express train is increased by 50%, it takes 2 hours less than Duronto. What is the speed (in km/hr) of Duronto train?
Options
A. 60
B. 54
C. 48
D. 72

4. The distance between places U and V is 1008 km. An express train leaves place U at 9:00 a.m. and runs at a speed of 126 km/hr. The train stops on the way for 20 minutes. At what time (in p.m.) the train will reach at the place V?
Options
A. 6 : 50
B. 3:50
C. 4:20
D. 5:20

5. A train of length 100 m crosses another train of length 150 m, running on a parallel track in the opposite direction in 9 seconds. If the speed of trainhaving length 150 m is 40 km/hr, then what is the speed (in km/hr) of the other train?
Options
A. 30
B. 48
C. 50
D. 60

6. A train 150 m long is running with a speed of 68 km/h. In what time will it pass a man who is running at 8 km/ h in the same direction in which the train is going?
Options
A. 8 sec
B. 8.5 sec
C. 9 sec
D. 9.5 sec

7. A man covered a certain distance by a train at the speed of 40 km/hr and covers the same distance back by walking at the speed of 8 km/hr. Ifthe whole journey took 12 hours, then what is the one side distance (in km)?
Options
A. 80
B. 60
C. 90
D. 100

8. 7 hrs after a goods train passed a station, another train travelling at a speed of 54 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 11 hours. What is the speed of the goods train?
Options
A. 39.6 km/hr
B. 49.5 km/hr
C. 33 km/hr
D. 26.4 km/hr

9. 4 hrs after a goods train passed a station, another train travelling at a speed of 72 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?
Options
A. 48 km/hr
B. 57.6 km/hr
C. 72 km/hr
D. 38.4 km/hr

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