CBSE Class 3 Mathematics IMO Olympiad MCQs with Answers Set N

MATHEMATICS

Question. What fraction of the given figure is unshaded?

A. 6/9
B. 9/15
C. 5/9
D. 6/15
Answer : B

Question. There is 6 L 225 mL of juice in 5 identical cartons of juice. How much juice is there in 2 such cartons?
A. 2 L 495 mL
B. 2 L 490 mL
C. 2 L 540 mL
D. 2 L 390 mL
Answer : B

Question. Given rectangle P is made up of 3 equal rectangles. If the total sum of lengths and breadths of rectangle P is 84 cm, then find the breadth of each small rectangle.

A. 3 cm
B. 5 cm
C. 6 cm
D. 4 cm
Answer : D

Question. Using the given cards, find the number name of the smallest four digit number formed (use each digit only once).

A. Three hundred sixty eight
B. Three thousand six hundred eight 3 8 6 0
C. Three thousand sixty eight
D. Three thousand eighty six
Answer : C

Question. The cost of a toy car is same as that of the cost of two dolls. The cost of a toy car is ₹ 146. Find the amount spent by Ashima if she buys two such toy cars and six dolls.
A. ₹ 725
B. ₹ 870
C. ₹ 580
D. ₹ 730
Answer : D

Question. The basket of fruits is _______ g heavier than the book.

A. 200
B. 195
C. 205
D. 190
Answer : A

Direction (a - b) : Read the given graph showing the number of cakes sold by a bakery and answer the following questions.

Question (a). Out of the given options, the bakery sold 75 cakes on _________ and _________ altogether.
A. Monday, Saturday
B. Wednesday, Friday
C. Tuesday, Friday
D. Thursday, Saturday
Answer : D

Question (b). The bakery sold _______ fewer cakes on Saturday than Monday and Friday altogether.
A. 25
B. 35
C. 20
D. 32
Answer : A

Question. If each cake is sold for ₹ 155, then find the amount earned by the bakery on Tuesday and Thursday altogether.
A. ₹ 9545
B. ₹ 8525
C. ₹ 8475
D. ₹ 8435
Answer : B

Question. If the digit at hundreds place is interchanged with the digit at ones place of the number shown by the abacus, then find the difference between the new number and the original number.

A. 198
B. 191
C. 203
D. 196
Answer : A

Question. Study the given numbers carefully and answer the question that follows.
What fraction of numbers have an odd digit at tens place?

A. 8/12
B. 9/12
C. 6/12
D. 10/12
Answer : A

Question. 1456 tickets of a magic show were sold on Monday. 2043 more tickets were sold on Tuesday than the number of tickets sold on Monday. 3946 more tickets were sold on Wednesday than the number of tickets sold on Tuesday. How many tickets were sold on Monday and Wednesday altogether?
A. 7445
B. 9488
C. 9071
D. 8901
Answer : D

Question. What is the missing number in the box?

A. 408
B. 436
C. 512
D. 524
Answer : B

Question. Kavya bought 12 dozen of bananas. She gave 5 dozen bananas to her brother and used 8 bananas to make a shake. How many bananas were left with her?
A. 76
B. 74
C. 82
D. 86
Answer : A

Question. The given clocks show the time at which a movie started and finished. How long was the movie?

A. 2 hrs 30 mins
B. 2 hrs 45 mins
C. 2 hrs 40 mins
D. 2 hrs 25 mins
Answer : C

Question. Fill in the blanks.
• The difference between the smallest 4 digit number and the greatest 3 digit number is P .
• The place value of 3 in six thousand four hundred thirty five is Q .
• 2000 + 400 + 6 is same as R .
• S should be added to 809 to make it the greatest three digit number.

Answer : D

Question. Sahil has 7 times as many candies as Prince. If Sahil has 343 candies, then how many candies they both have altogether?
A. 59
B. 49
C. 294
D. 392
Answer : D

Question. Study the given figures carefully and find the weight of

A. 10 kg
B. 18 kg
C. 22 kg
D. 14 kg
Answer : A

Question. How many faces does the given figure have ?

A. 6
B. 7
C. 8
D. 9
Answer : B

Question. A bucket can hold 2 litres of water. It is being filled by the mugs of different capacities.
Which of the following combinations of mugs can fill the bucket?

Answer : C

Question. Rohan distributed ₹ 9876 equally among 12 children. How much amount did each child get?
A. ₹ 976
B. ₹ 856
C. ₹ 793
D. ₹ 823
Answer : D

Question. Niharika uses 76 pearls to make a necklace. How many pearls are needed to make 48 such necklaces?
A. 3648
B. 4236
C. 3426
D. 3958
Answer : A

Question. Find the value of P + Q – R + S.

A. 8
B. 5
C. 6
D. 7
Answer : C

Question. Mr Sharma's family went to a nearby beach for picnic. Mr Sharma's family took a sand castle kit, 3 towels and 2 umbrellas on rent.
How much did it cost to them?

A. ₹ 250
B. ₹ 220
C. ₹ 280
D. ₹ 380
Answer : B

Question. Pencil P and pencil R have a total length of ________ cm.

A. 17
B. 16
C. 18
D. 19
Answer : A

Question. Anushka has 75 flowers. She gave 1/3 of the flowers to her brother and 1/5 of the remaining to her sister. How many flowers she gave to her sister?
A. 25
B. 15
C. 12
D. 10
Answer : D

Question. Riya's room has 5 shelves to keep books. Each shelf can have 13 books. If Riya has 82 books, then how many books will be left after arranging the books on 5 shelves?
A. 17
B. 15
C. 21
D. 19
Answer : A

Question. Study the statements carefully and select the CORRECT option.
P. When a number is divided by itself, then the quotient is 0.
Q. When a number is divided by 1, then the quotient is number itself.
A. Both P and Q are true. B. Both P and Q are false.
C. P is true but Q is false. D. P is false but Q is true.
Answer : D

Question. Identify the number using the given clues.

A. 8732
B. 8514
C. 8513
D. 9154
Answer : B

Question. Trishi is meeting her friends for dinner at 7 p.m. The journey to the restaurant takes 55
minutes. What time must she leave her house if she wants to reach restaurant on time?
A. 6 : 05 a.m.
B. 6 : 05 p.m.
C. 6 : 10 p.m.
D. 7 : 10 p.m.
Answer : B

ACHIEVERS SECTION

Question. If

A. 1/8, 4/8, 2/8
B. 2/8, 1/8, 4/8
C. 2/8, 4/8, 1/8
D. 4/8, 2/8, 1/8
Answer : C

Question. Study the given figure carefully.
Route 1 – Sam's house – Library – Mall
Route 2 – Market – Mall – Library
Which is the longer route and by how much?

A. Route 1, 250 m
B. Route 2, 4200 m
C. Route 1, 350 m
D. Route 2, 350 m
Answer : C

Question. Six friends went for shopping. They bought the following items

On the basis of the given information, fill in the blanks.
1. (a) spent ` 1350 on shopping.
2. (b) spent the least amount.
3. (c) spent the most amount.

Answer : B

Question. Study the four different gardens P, Q, R and S given below and answer the questions.

(a) Which garden has the largest boundary?
(b) Which garden has the smallest boundary?
    (a) (b)
A. S    Q
B. P    R
C. S    R
D. P   Q
Answer : C

Question. Find the value of (R S) Q/P

A. 13
B. 15
C. 11
D. 18
Answer : A