General Aptitude
Q. A boat travels 30 km downstream in 2 hours. If the speed of the stream is 5 km/h, what is the speed of the boat in still water?
Q. A boat travels 40 km upstream in 5 hours. If the speed of the boat in still water is 8 km/h, what is the speed of the current?
Q. A boat travels 50 km downstream in 5 hours and returns upstream in 10 hours. What is the speed of the stream?
Q. A boat travels 50 km downstream in 5 hours. If the speed of the current is 5 km/h, what is the speed of the boat in still water?
Q. A box contains 10 balls, 7 of which are white. If one ball is drawn at random, what is the probability that it is not white?
Q. A box contains 10 balls: 3 are blue, 4 are red, and 3 are green. What is the probability of drawing a blue ball?
Q. A box contains 10 balls: 3 are red, 4 are blue, and 3 are green. What is the probability of drawing a blue ball?
Q. A box contains 10 balls: 4 are blue, 3 are green, and 3 are red. What is the probability of drawing a red ball?
Q. A box contains 10 balls: 4 blue, 3 green, and 3 red. What is the probability of drawing a red ball?
Q. A box contains 10 balls: 4 red, 3 blue, and 3 green. What is the probability of drawing a blue ball?
Q. A box contains 10 balls: 6 white and 4 black. If one ball is drawn at random, what is the probability that it is not black?
Q. A box contains 10 chocolates, 4 of which are dark chocolate. What is the probability of selecting a dark chocolate?
Q. A box contains 10 chocolates, 4 of which are dark chocolate. What is the probability of randomly selecting a dark chocolate?
Q. A box contains 4 white and 6 black balls. If one ball is drawn at random, what is the probability that it is black?
Q. A box contains 4 white, 5 black, and 6 red balls. What is the probability of picking a black ball?
Q. A box contains 5 white and 3 black balls. If one ball is drawn at random, what is the probability that it is black?
Q. A building casts a shadow of 10 meters when the angle of elevation of the sun is 30 degrees. What is the height of the building?
Q. A building casts a shadow of 20 meters when the angle of elevation of the sun is 45 degrees. What is the height of the building?
Q. A building is 120 meters tall. From a point 80 meters away from the base of the building, what is the angle of elevation to the top of the building?
Q. A building is 20 meters tall. If a person standing 15 meters away from the building sees the top at an angle of elevation of θ, what is sin(θ)?
Q. A building is 80 meters tall. From a point 60 meters away from the base of the building, the angle of elevation to the top of the building is what?
Q. A building is 80 meters tall. From a point 60 meters away from the base of the building, what is the angle of elevation to the top of the building?
Q. A building is 80 meters tall. From a point on the ground, the angle of elevation to the top of the building is 60 degrees. How far is the point from the base of the building?
Q. A car's value depreciates by 10% each year. If its current value is $18,000, what will be its value after one year?
Q. A car's value depreciates by 10% each year. If its current value is $20,000, what will be its value after one year?
Q. A car's value depreciates by 10% each year. If its current value is $9000, what will be its value after one year?
Q. A car's value depreciates by 10% each year. If the current value is $20,000, what will be its value after one year?
Q. A car's value depreciates by 15% each year. If its current value is $20,000, what will be its value after one year?
Q. A car's value depreciates by 15% each year. If its current value is $8500, what will be its value after one year?
Q. A car's value depreciates by 15% each year. If the current value is $20,000, what will be its value after one year?
