# 4th Class Mathematics Computation Operations Questions

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Explore a variety of Computation Operations Questions for 4th Class Mathematics. Answers and explanations are provided in our paid section- " Buy Courses" We offer over 500 tests for Class 4, including chapter-wise tests and mock tests covering the entire Class 4 Maths syllabus.

**Q1)Suzy is 7 years old.2 years ago, her mother was 6 times her age. How old would her mother be in 4 years' time?Ans: ________ years old.**

**Answer**

** 36 years old**

**Q2) Mr Tan had some toys to sell. 2 of them were damaged and had to be thrown away. The rest of the toys could be places into boxes of 5 or 6. What is the smallest possible number of toys Mr Tan had at first?Ans: ________**

**Answer**

** 32 toys**

**Q3) Mr Lim bought 248 cartons of oranges. There were 36 oranges in each carton. He sorted the oranges into big and small oranges. If there were 1046 big oranges, how many small oranges were there?Ans: ________**

**Answer**

** 7882 small oranges**

**Q4) Soo Hong is 3 years younger than his brother. Their total age is 21 years. How old is Soo Hong 5 years from now?Ans: ________ years old**

**Answer**

** 14 years old**

**Q5) Shanti is reading her favourite storybook. She realizes the product of the two page numbers facing each other is 420. What are the page numbers that she is reading now?Ans: ________ and ________**

**Answer**

** 20 and 21**

**Q6) Mr Lim bought 248 cartons of oranges. There were 36 oranges in each carton. He sorted the oranges into big and small oranges. If there were 1046 big oranges, how many small oranges were there?Ans: ________**

**Answer**

** 7882 small oranges**

**Q7) John had 224 apples. ****After giving 36 apples to Peter, John put the rest of the apples he had equally into boxes. ****He found that he had 12 apples left after putting 16 apples into each box. How many boxes did he have?Ans: ________**

**Answer**

** 11**

**Q8) In a restaurant, a rectangular table can seat 10 persons and a round table can seat 5 persons. During lunch time, all the tables in the restaurant were occupied. The number of each type of table in the restaurant is more than 10 and less than 15. If there were 205 customers, how many rectangular and round tables were there for the 205 customers?Ans: _________**

**Answer**

** Round: 13Rectangular: 14**

**Q9) At a game stall, Sean scored twice as many points as Steven. Chester scored thrice as many points as Sean. The total number of points they scored is 576. How many points did Sean score?Ans: ________**

**Answer**

** 128 points**

**Q10) At a game stall, Sean scored twice as many points as Steven.Chester scored thrice as many points as Sean.The total number of points they scored is 576.How many points did Sean score?Ans: ________**