📊 Math
Q. Two trains start from the same point in opposite directions at 55 km/h and 65 km/h. How far apart will they be after 2 hours?
  • (A) 200 km
  • (B) 220 km
  • (C) 240 km
  • (D) 260 km
💬 Discuss
✅ Correct Answer: (C) 240 km

Explanation: Relative speed = 120 km/h → Distance = 120×2 = 240 km.

📊 Math
Q. A train 200 m long crosses a platform in 40 seconds. If its speed is 54 km/h, what is the platform length?
  • (A) 350 m
  • (B) 400 m
  • (C) 450 m
  • (D) 500 m
💬 Discuss
✅ Correct Answer: (B) 400 m

Explanation: Speed = 15 m/s → Distance = 15×40 = 600 m → Platform = 600−200 = 400 m.

📊 Math
Q. A train crosses a standing man in 5 seconds at 72 km/h. What is the length of the train?
  • (A) 80 m
  • (B) 90 m
  • (C) 100 m
  • (D) 110 m
💬 Discuss
✅ Correct Answer: (C) 100 m

Explanation: Speed = 20 m/s → Length = 20×5 = 100 m.

📊 Math
Q. What is the probability of getting a head when a fair coin is tossed once?
  • (A) 0
  • (B) 1/2
  • (C) 1
  • (D) 2
💬 Discuss
✅ Correct Answer: (B) 1/2

Explanation: A fair coin has 2 equally likely outcomes: Head and Tail. Probability of Head = 1/2.

📊 Math
Q. A die is rolled once. What is the probability of getting an even number?
  • (A) 1/6
  • (B) 1/3
  • (C) 1/2
  • (D) 2/3
💬 Discuss
✅ Correct Answer: (C) 1/2

Explanation: Even numbers on a die are 2, 4, and 6. Total favorable outcomes = 3, total outcomes = 6. Probability = 3/6 = 1/2.

📊 Math
Q. What is the probability of drawing an Ace from a standard deck of 52 cards?
  • (A) 1/13
  • (B) 1/4
  • (C) 4/13
  • (D) 1/52
💬 Discuss
✅ Correct Answer: (A) 1/13

Explanation: There are 4 Aces in a deck of 52 cards. Probability = 4/52 = 1/13.

📊 Math
Q. Two coins are tossed together. What is the probability of getting two heads?
  • (A) 1/2
  • (B) 1/3
  • (C) 1/4
  • (D) 3/4
💬 Discuss
✅ Correct Answer: (C) 1/4

Explanation: Possible outcomes are HH, HT, TH, TT. Only HH gives two heads. Probability = 1/4.

📊 Math
Q. If a card is drawn from a deck, what is the probability that it is a King?
  • (A) 1/26
  • (B) 1/13
  • (C) 4/13
  • (D) 1/4
💬 Discuss
✅ Correct Answer: (B) 1/13

Explanation: There are 4 Kings in 52 cards. Probability = 4/52 = 1/13.

📊 Math
Q. A bag contains 5 red balls and 3 blue balls. What is the probability of drawing a blue ball?
  • (A) 3/8
  • (B) 5/8
  • (C) 1/2
  • (D) 3/5
💬 Discuss
✅ Correct Answer: (A) 3/8

Explanation: Total balls = 8. Blue balls = 3. Probability = 3/8.

📊 Math
Q. What is the probability of getting a sum of 7 when two dice are rolled?
  • (A) 1/12
  • (B) 1/6
  • (C) 5/36
  • (D) 1/3
💬 Discuss
✅ Correct Answer: (B) 1/6

Explanation: Possible combinations are (1,6), (2,5), (3,4), (4,3), (5,2), (6,1). Total favorable outcomes = 6 out of 36. Probability = 6/36 = 1/6.