Math Quiz for Kids – Detective Mehul (Quiz 1)
This quiz contains 10 fun detective-style math questions designed for kids aged 10–12.
Case 1: The Secret Password
Detective Mehul finds a safe. The note says: "The code is 10 + 5 × 2". He follows the order of operations.
Correct Answer: 20
Explanation: Multiplication first: 5 × 2 = 10, then 10 + 10 = 20.
Case 2: Zoya's Candies
Zoya has 40 chocolates. She gives half to Aalia, then half of the remaining to Aadi.
Correct Answer: 10
Explanation: 40 → 20 → 10 chocolates left.
Case 3: Aadi's Car Chase
Aadi drives at 60 km per hour. How far will he travel in 30 minutes?
Correct Answer: 30 km
Explanation: 30 minutes is half an hour → 60 ÷ 2 = 30 km.
Case 4: Aalia's Shopping Spree
Aalia buys a gadget for ₹500 and receives a 20% discount.
Correct Answer: ₹400
Explanation: 20% of ₹500 = ₹100 → ₹500 − ₹100 = ₹400.
Case 5: The Age Puzzle
Zoya is 10 years old. Mehul is 3 times her age plus 2 years.
Correct Answer: 32 years
Explanation: (3 × 10) + 2 = 32.
Case 6: The Pizza Evidence
Mehul eats 1/4 of a pizza and Aadi eats 1/4.
Correct Answer: 1/2 pizza remains
Explanation: 1/4 + 1/4 = 1/2 eaten.
Case 7: The Time Crime
A theft happened at 2:15 PM and lasted 45 minutes.
Correct Answer: 3:00 PM
Explanation: 2:15 + 45 minutes = 3:00 PM.
Case 8: The Pattern Code
Find the next number in the pattern: 3, 6, 12, 24.
Correct Answer: 48
Explanation: Each number is multiplied by 2.
Case 9: Zoya's Piggy Bank
Zoya has three ₹50 notes and two ₹20 notes.
Correct Answer: ₹190
Explanation: ₹150 + ₹40 = ₹190.
Case 10: The Logic Trap
If 3 detectives solve 3 cases in 3 minutes, how long will 100 detectives take?
Correct Answer: 3 minutes
Explanation: Each detective solves one case in parallel.