CBSE Class 3 Mathematics IMO Olympiad MCQs with Answers Set 05

MATHEMATICS

Question.

stand for?
A. 16
B. 29
C. 42
D. 39
Answer : D

Question. Jia bought 6 boxes of pens. Each box contained 24 red pens. She also bought 118 blue pens. How many pens did Jia have in total?
A. 148
B. 262
C. 332
D. 852
Answer : B

Question. Find the value of P, Q, R and S respectively.

A. 6, 9, 2, 4
B. 6, 9, 4, 3
C. 6, 9, 4, 2
D. 4, 9, 6, 2
Answer : C

Question. The sum of the digits of a number is 5. If the number lies between 20 and 30, then what is twice the number?
A. 42
B. 44
C. 46
D. 48
Answer : C

Question. A pen costs 8 times as much as a pencil. Mr Anil spends all of his money on 2 pens and 24 pencils. How many pens can he buy with the same amount of money?
A. 3
B. 4
C. 5
D. 6
Answer : C

Question. There are 6 pairs of goldfish and 8 pairs of starfish in a tank. If 3 goldfish and 5 starfish die, then how many more starfish than goldfish will be left in the tank?
A. 2
B. 9
C. 11
D. 5
Answer : A

Question. A box containing 15 marbles has a weight of 780 g. If each marble has a weight of 30 g, then find the weight of the empty box.
A. 780 g
B. 330 g
C. 450 g
D. 300 g
Answer : B

Question. A field is in the shape of a rectangle 30 metres long and 20 metres wide.

What is the total sum of its lengths and breadths?
A. 100 metres
B. 50 metres
C. 30 metres
D. 120 metres
Answer : A

Question. Which of the following statements is true?
A. The sum of 2 odd numbers is an odd number.
B. The sum of an odd number and an even number is an even number.
C. The difference between 2 even numbers is an odd number.
D. The difference between 2 odd numbers is an even number.
Answer : D

Question. The bar graph given below shows the number of bicycles sold in the first week of a month.
On which day were the number of bicycles sold more than 150 but less than 300?

A. Monday
B. Wednesday
C. Thursday
D. Friday
Answer : A

Question. Two buckets with their capacity are shown below. If 8 glasses full of water are needed to fill up bucket V to its brim, then how many such glasses are needed to fill up bucket U to its brim?

A. 10
B. 8
C. 16
D. 12
Answer : C

Question. A number is less than 50. Its both digits are even number. The digit at tens place is the smallest even number. The sum of its digits is 6. What is the number?
A. 24
B. 28
C. 42
D. 15
Answer : A

Question. Jerry is 4 years old. His sister is 10 years older than him. How old will his sister be after 2 years?
A. 18 years
B. 16 years
C. 14 years
D. 10 years
Answer : B

Question. A movie started at 11:35 a.m. It ended 1 hour 55 minutes later. At what time did it end?
A. 1:30 p.m.
B. 12:30 p.m.
C. 1:30 a.m.
D. 12:30 a.m.
Answer : A

Question. Shalu is a teacher and she is paid ₹ 53 per hour. She teaches for 7 hours daily. How much will she be paid for 3 days of work?
A. ₹ 1100
B. ₹ 1110
C. ₹ 1113
D. ₹ 1013
Answer : C

Question. Which of the following has a value greater than 1000 – 850?
A. 10 + 85
B. 85 + 15
C. 85 + 85
D. 100 – 85
Answer : C

Question. Fraction for the digit 2 in the given series is ____.
1 2 3 4 5 1 1 2 3 4 5 1 1 1 2 2 3 4 5 1 1 1 1 2 2 2 4 3 3 5
A. 7/31
B. 7/32
C. 7/30
D. 7/33
Answer : C

Question. What will be the final result, if 539 is added to the greatest 4-digit odd number which can be formed using the digits 6, 7, 8 and 9 (using each digit only once)?
A. 10451
B. 10145
C. 10406
D. 10415
Answer : C

Question. What is the missing number in the box?
6725 – 3219 = ? + 2000
A. 1506
B. 2506
C. 3506
D. 5506
Answer : A

Question. What is the weight of two 🍎 ?

A. 100 g
B. 160 g
C. 150 g
D. 80 g
Answer : B

Question. Nisha goes to a mall with ₹ 280 and saw the given offers. Which of the following offers can she take so that no amount is left with her?

A. Dress and Purse
B. Necklace and Purse
C. Dress and Teddy bear
D. Purse and Teddy bear
Answer : B

Question. There were 10 dogs and 8 cats. 5 cats and 8 dogs were taken away. What was the total number of legs the remaining animals had?
A. 12
B. 16
C. 20
D. 8
Answer : C

Question.

A. 110
B. 550
C. 440
D. 990
Answer : B

Question. If 48 children were standing in the rows of 5 each, then how many rows did they make and how many children were left respectively?
A. 9, 3
B. 8, 8
C. 3, 9
D. None of these
Answer : A

Question. Smriti watched her favourite cartoon from 2:25 p.m. to 3:15 p.m. After watching the show, she slept for 2 hours 50 minutes. At what time did she wake up?
A. 5:15 a.m.
B. 5:45 p.m.
C. 6:05 a.m.
D. 6:05 p.m.
Answer : D

Question. A number is less than 42 but more than 35. It is divisible by 6. When added to 21, what will be the resulting number?
A. 53
B. 55
C. 57
D. 59
Answer : C

Question. How many thousands, hundreds, tens, and ones should be added to give the largest 4-digit number respectively?
A. 9, 9, 9, 9
B. 1, 0, 0, 0
C. 9, 0, 9, 9
D. 1, 1, 1, 1
Answer : A

Question. What fraction of the given figure is unshaded?

A. 7/25
B. 8/25
C. 11/25
D. 14/25
Answer : D

Question. Vikas ate ______ fewer jellies than Aisha and Yash.

A. 50
B. 20
C. 100
D. 30
Answer : A

Question. How much will 1500 g of pears cost?

A. ₹ 10
B. ₹ 20
C. ₹ 30
D. ₹ 25
Answer : C

ACHIEVERS SECTION

Question. Below is a map showing the distances between Suman's flat, her school and a park.

Which of the following statements is CORRECT?
A. The distance between Suman's flat and her school is 2600 m.
B. The distance between Suman's flat and her school is greater than the distance between her school and the park.
C. The distance between the park and Suman's flat is 3755 m.
D. The distance between the park and Suman's flat is shorter than the distance between her school and the park.
Answer : C

Question. The table below shows the prices of different types of tickets for a cable car ride

Mrs Kapoor took her parents, aged 56 and 60 years old, and her two children aged 7 and 9 years old for a cable car ride. How much should she pay altogether?
A. ₹ 28
B. ₹ 30
C. ₹ 38
D. ₹ 45
Answer : C

Question.

A. 200 g
B. 204 g
C. 206 g
D. 208 g
Answer : B

Question. A class of 40 pupils took a Mathematics quiz. Their scores were tabulated below.

What fraction of the class scored above 20 points?
A. 3/40
B. 11/40
C. 37/40
D. 28/40
Answer : D

Question. The bar graph given below shows the distance travelled by a car in 2 hours. Study the graph carefully and answer the following questions

(a) Find the distance travelled by the car between 8:30 a.m. and 9:30 a.m.
(b) How much more distance did the car travel in the first hour as compared to the second hour?
       (a)               (b)
A. 90 km         10 km
B. 89 km         20 km
C. 89 km        10 km
D. 100 km       20 km
Answer : D