- A
- B
- C
- D25 + 15 + 12
Step-by-Step Solution
One notebook and one pen cost 25 + 15 = 40, and he buys 12 such sets: . Without brackets, , which is wrong.
Answer: A)
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Large Numbers in Practice practice questions