Selected MCQ

Current Question
The perimeters of two squares are 48 cm and 20 cm. Find the difference in their sides.
  • A. 15√2 cm
  • B. 13√2 cm
  • C. 16√2 cm
  • D. 17√2 cm
Correct Answer: B
Explanation:
Side = perimeter/4; difference leads to 13√2 cm.
Related Question 1
Total area of 64 squares is 400 cm². Find the side of the big square.
  • A. 17 cm
  • B. 20 cm
  • C. 23 cm
  • D. 26 cm
Correct Answer: D
Explanation:
Total side calculation.
Related Question 2
Three cubes of sides 9, 12, and 15 cm are melted to form a new cube. Find its side.
  • A. 21 cm
  • B. 19 cm
  • C. 32 cm
  • D. 18 cm
Correct Answer: D
Explanation:
Total volume = cube of new side.
Related Question 3
Four prime numbers in ascending order have the smallest difference. Find the smallest.
  • A. 5
  • B. 7
  • C. 11
  • D. 13
Correct Answer: A
Explanation:
The closest primes start at 5.
Related Question 4
Sum of two numbers is 25, and the difference is 13. Find product.
  • A. 104
  • B. 114
  • C. 315
  • D. 325
Correct Answer: B
Explanation:
Solve simultaneous equations.
Related Question 5
Sum of squares of two consecutive integers exceeds product by 91. Find numbeRs.
  • A. 9,10
  • B. 10,11
  • C. 11,12
  • D. 12,13
Correct Answer: A
Explanation:
Form Equation and solve.