Defence Exams
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Q. A student scores 80, 85, 90, and 95 in four exams. What score does he need in the fifth exam to achieve an average of 90?
Q. A student scores 80, 85, 90, and 95 in four subjects. What is the average score? (2019)
Q. A student scores 80, 85, and 90 in three subjects. If he wants an average of 85, what score does he need in the fourth subject?
Q. A student scores 80, 85, and 90 in three subjects. What score must he achieve in the fourth subject to have an average of 85?
Q. A student scores 80, 90, and 70 in three subjects. If he wants to achieve an average of 85 after scoring in a fourth subject, what score does he need?
Q. A student wins a $1200 award and decides to donate 25% of it to charity. How much does the student donate? (2020)
Q. A student wins a competition and receives a cash prize of $800. If he donates 10% of it to charity, how much does he keep?
Q. A student wins a competition and receives a gift card worth $150. If he uses 2/3 of it, how much is left on the card?
Q. A student wins a competition and receives a gift card worth $150. If he uses 60% of it, how much is left on the gift card?
Q. A student wins a grant of $2500 and decides to save 25% of it. How much does he save? (2022)
Q. A student wins a grant of $2500 and spends 25% on books. How much does he spend on books? (2022)
Q. A student won a medal worth $300. If the medal's value increases by 25%, what will be its new value?
Q. A student won a medal worth $3000. If the medal's value increases by 15% after a year, what will be its new value?
Q. A student won a scholarship of $2500. If he donates 10% of it to charity, how much does he donate?
Q. A student won an award worth $5000. If he spends 20% of it on books, how much money does he have left?
Q. A subsidy scheme allocates ₹1,00,000 for 4 projects. If one project receives ₹30,000, what percentage of the total budget does this project consume?
Q. A survey of favorite fruits among 20 people resulted in the following counts: Apple (6), Banana (8), Orange (4), Grape (2). What is the mode of the favorite fruits? (2023)
Q. A survey of favorite fruits yielded the following results: Apple, Banana, Apple, Orange, Banana, Apple. What is the mode?
Q. A survey of the number of books read by students resulted in the following data: 1, 2, 2, 3, 3, 3, 4, 5. What is the mode?
Q. A swimmer completes a lap in 30 seconds. How many laps can he complete in 10 minutes? (2021)
Q. A swimmer swims 200 meters in 2 minutes. What is his average speed in meters per second? (2021)
Q. A swimmer swims 200 meters in 2 minutes. What is his speed in kilometers per hour? (2021)
Q. A swimmer swims 200 meters in 2 minutes. What is his speed in meters per second? (2021)
Q. A tank can be filled by a pipe in 6 hours and emptied by another pipe in 8 hours. If both pipes are opened together, how long will it take to fill the tank? (2020)
Q. A tank can be filled by two pipes in 12 hours and 15 hours respectively. How long will it take to fill the tank if both pipes are opened together? (2021)
Q. A tank can fire 10 rounds per minute. How many rounds will it fire in 15 minutes? (2022)
Q. A tank can hold 500 liters of water. If it is filled at a rate of 25 liters per minute, how long will it take to fill the tank? (2020)
Q. A team wins 70% of its matches. If they played 40 matches, how many matches did they win? (2023)
Q. A tennis player serves at a speed of 180 km/h. How long will it take for the ball to travel 20 meters? (2021)
Q. A tennis player serves at a speed of 180 km/h. What is this speed in meters per second? (2023)
