# Class 4 IMO Computation Operations

This contains a few computation operation questions for 4th-grade mathematics. Answers with explanations are available in our premium "Buy Courses" section, featuring 500+ tests covering the entire Class 4 Maths syllabus with chapter-wise and mock tests.

Q1) Postman Sammy delivered an equal number of letters every day from Monday to Wednesday. He delivered 192 letter each on Thursday and Friday. Altogether, he delivered a total of 1104 letters from Monday to Friday. How many letters did Sammy deliver on Monday?

Ans: ________

240 letters

Q2) At a party, there were thrice as many adults as boys and twice as many boys as girls.
There were 88 more adults than boys.

a) How many more adults than girls were there at the party?
b) How many people were there altogether at the party?

Ans: a) ________
b) ________

a) 110
b) 198

Q3) Eugene had 60 more marbles than Sharon at first. After Sharon threw 12 marbles away, Eugene had thrice as many marbles as Sharon. How many marbles did Eugene have at first?

Ans: ________

Eugene had 108 marbles at first.

Q4) N is a number on the given number line. What is the value of N?

Ans: ________

1840

Q5) A shopkeeper wants to pack greeting cards into boxes of 9 cards each. If he has 5483 cards, how many such boxes of 9 cards can he pack?

Ans: ________

609

Q6) The sum of two numbers is 510.
If the bigger number is 5 times the smallest number, what is the smaller number?

Ans: ________

85

Q7) 87 x 52 is the same as 87 x 50 + ________.

1. 1 x 52
2. 2 x 52
3. 1 x 87
4. 2 x 87

D.

Q8) What is the product of 48 and 237?

1. 2844
2. 9926
3. 10 276
4. 11 376

D.

Q9) In one hour, machine A produces 210 cookies. Machine B produces thrice the amount. How many cookies will machine B produce in 5 hours?

Ans: ________

3150

Q10) A packet of erasers is to be shared by some pupils. The number of erasers in the packet is more than 40 but fewer than 50. The erasers can be shared by 4 or 6 pupils equally without any remainder. How many erasers are there in the packet?

Ans: ________