General Aptitude
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Q. A cylindrical tank has a radius of 3 meters and a height of 5 meters. What is the surface area of the tank (including the top and bottom)?
Q. A die is rolled. What is the probability of rolling a number greater than 4?
Q. A family has 3 children. What is the probability that at least one of them is a girl?
Q. A family has 4 members with an average age of 25 years. If the youngest member is 10 years old, what will be the average age if the youngest member turns 20?
Q. A family has 4 members with an average age of 30 years. If a new member joins with an age of 40 years, what will be the new average age?
Q. A family has 4 members with an average income of $3000. If the father earns $4000, what is the average income of the other three members?
Q. A family has an average income of $5000. If the father earns $7000, what is the average income of the mother and child?
Q. A family spends an average of $200 per week. If they increase their spending by 10% next week, what will be their average spending for that week?
Q. A farmer has a field in the shape of a parallelogram with a base of 15 meters and a height of 10 meters. What is the area of the field?
Q. A father is 4 times as old as his son. If the sum of their ages is 50 years, how old is the father?
Q. A father is three times as old as his son. If the father is 36 years old, how old is the son?
Q. A field in the shape of a right triangle has legs of 9 meters and 12 meters. What is the area of the field in square meters?
Q. A flagpole is 12 meters high. If a person standing 16 meters away from the base of the flagpole sees the top of the flagpole at an angle of elevation of θ, what is tan(θ)?
Q. A flagpole is 15 meters tall. From a point 10 meters away from the base of the flagpole, what is the angle of elevation to the top of the flagpole?
Q. A grandfather is 4 times as old as his grandson. If the grandson is 5 years old, how old is the grandfather?
Q. A group of 6 people has an average weight of 70 kg. If one person weighing 80 kg leaves, what is the new average weight?
Q. A group of friends has an average age of 25 years. If one friend aged 30 joins, what is the new average age of the group of 4 friends?
Q. A group of friends has an average age of 25 years. If one friend aged 30 leaves the group, what will be the new average age if the group had 5 members?
Q. A group of friends has an average age of 25 years. If one friend leaves and the average age becomes 26, how many friends were there originally?
Q. A group of friends has an average age of 30 years. If one friend leaves who is 40 years old, what will be the new average age if the group has 5 members?
Q. A is 3 times as old as B. If the sum of their ages is 48 years, how old is A?
Q. A is 3 years older than B. If the sum of their ages is 27, how old is A?
Q. A is 3 years older than B. If the sum of their ages is 27, how old is B?
Q. A is 4 years older than B. If the sum of their ages is 28 years, how old is A?
Q. A is 5 years older than B. If the sum of their ages is 45 years, how old is B?
Q. A is twice as old as B. If B is 10 years old, how old is A?
Q. A jacket is marked at $150 but is sold at a 25% discount. What is the sale price of the jacket?
Q. A jacket is marked at $80 and is sold for $64. What is the percentage discount?
Q. A jar contains 10 cookies, 4 of which are chocolate chip. What is the probability of selecting a chocolate chip cookie?
Q. A jar contains 3 white, 2 black, and 5 blue balls. What is the probability of picking a blue ball?
