Defence Exams
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Q. A group of students scored the following marks in a test: 45, 50, 50, 55, 60, 50, 70. What is the mode of the scores?
Q. A health scheme costs ₹250 per person and covers 8000 individuals. What is the total cost of the scheme?
Q. A health scheme has a total budget of ₹3,00,000. If 25% is spent on awareness programs, how much is spent on these programs?
Q. A helicopter ascends at a rate of 300 meters per minute. How high will it be after 10 minutes? (2021)
Q. A helicopter can ascend at a rate of 300 meters per minute. How long will it take to reach a height of 1500 meters? (2021)
Q. A helicopter can lift a maximum weight of 1500 kg. If each soldier weighs 75 kg, how many soldiers can it carry at maximum? (2021)
Q. A helicopter flies at a speed of 150 km/h. How far can it travel in 1.5 hours? (2021)
Q. A helicopter flies at a speed of 150 km/h. How far can it travel in 3 hours? (2021)
Q. A helicopter flies at a speed of 240 km/h. How far can it travel in 45 minutes? (2023)
Q. A jar contains 5 green, 3 yellow, and 2 blue marbles. If one marble is drawn at random, what is the probability that it is either green or yellow?
Q. A jar contains 5 green, 7 yellow, and 8 blue marbles. If one marble is drawn at random, what is the probability that it is either green or yellow?
Q. A jar contains 5 red, 3 blue, and 2 yellow marbles. If one marble is drawn, what is the probability that it is either red or yellow?
Q. A jar contains 5 red, 3 blue, and 2 yellow marbles. What is the probability of drawing a yellow marble?
Q. A jar contains 5 red, 3 blue, and 2 yellow marbles. What is the probability of picking a yellow marble? (2023)
Q. A kite is flying at a height of 50 m. If the angle of elevation from a point on the ground to the kite is 60 degrees, how far is the point from the base of the kite? (2021)
Q. A kite is flying at a height of 50 m. If the angle of elevation from a point on the ground to the kite is 45 degrees, how far is the point from the base of the kite? (2020)
Q. A ladder 10 m long reaches a window 8 m high. What is the angle of elevation of the ladder from the ground? (2019)
Q. A ladder 15 m long reaches a window 12 m above the ground. What is the angle of elevation of the ladder from the ground? (2019)
Q. A length is measured as 5.67 m with an uncertainty of 0.01 m. What is the percentage error?
Q. A lens forms a real image that is twice the size of the object. If the object distance is 10 cm, what is the image distance? (2021)
Q. A light ray strikes a glass surface at an angle of 45 degrees. If the refractive index of glass is 1.5, what is the angle of refraction?
Q. A line segment is divided into two parts in the ratio 3:2. If the total length of the segment is 50 cm, what is the length of the longer part? (2023)
Q. A location at 30° N latitude experiences a temperature of 25°C. If the same temperature is recorded at 30° S latitude, what can be inferred about the climate? (2019)
Q. A location at 45° North latitude experiences a time difference of how many hours from a location at 45° South latitude when both are at the same longitude? (2019)
Q. A location at 90 degrees West longitude is how many hours behind GMT?
Q. A man invests Rs. 5000 at a rate of 5% per annum compounded annually. What will be the amount after 3 years? (2020)
Q. A man invests Rs. 5000 at an interest rate of 5% per annum. How much interest will he earn in 3 years? (2020)
Q. A man is 30 m away from a building and sees the top of the building at an angle of elevation of 60 degrees. What is the height of the building? (2019)
Q. A man is standing at a distance of 50 m from a tower. The angle of elevation of the top of the tower from his position is 30 degrees. Find the height of the tower. (2021)
Q. A man is standing at a distance of 50 meters from a tower. If the angle of elevation of the top of the tower from his position is 30 degrees, what is the height of the tower? (2021)
