Start learning 50% faster. Sign in now
Get Started with ixamBee
Start learning 50% faster. Sign in nowLet present age of ‘B’ be ‘x’ years Present age of ‘A’ = x × 1.25 = ‘1.25x’ years ATQ; (x + 9) + 6 = (1.25x + 9) Or, x + 15 = 1.25x + 9 Or, 6 = 0.25x Or, x = 24 So, present age of ‘B’ = 24 years And, present age of ‘A’ = 24 + 6 = 30 years Required sum = 30 + 24 = 54 years
A train can cross a pole and a platform of 300 meters long in 8 sec and 20 sec respectively. Find the time taken by the train to cross another platform ...
A 140 m long train crosses another 260 m long train running in the opposite direction in 15 seconds. If the shorter train crosses a pole in 14 seconds, ...
A train travelling with a speed of 108 km/h can cross a pole in 9 seconds. Find the time taken by the train to cross a 330 metres long platform if the s...
Two trains running on parallel track with lengths 140 m and 40 m respectively. When travelling in opposite directions they are observed to pass each oth...
A train started from station P and preceded towards station Q at a speed of 90 km/h. 42 minutes later, another train started from station Q and preceded...
Train A running at speed of 72 km/hr crosses a platform having twice the length of train in 18 sec. Train B whose length is 300m crosses same platform i...
Aruna is aboard train A, which is moving at a speed of 50 km/h. Another train, train B, travels in the opposite direction at 58 km/h and has a length th...
Train A running at a speed of 46 km/hr crosses train B in 30 seconds. Find the speed of train B (in km/hr), if the sum of the length of train A and B is...
Train ‘A’ running with a speed of 72 km/h crosses a pole in 8.5 seconds. If the time taken by train ‘A’ to cross train ‘B’ running with a sp...
A train crosses a pole in 36 seconds and a platform in 52 seconds. If the speed of the train is 54 km/hr, then what is the length of the platform?