CBSE Class 5 Mathematics IMO Olympiad MCQs with Answers Set 11

LOGICAL REASONING

Question. Find the number of cubes in the given solid figure.

A. 21
B. 23
C. 24
D. 22
Answer : D

Question. In a certain code, ZKKOV is coded as APPLE. Which of the following is coded as POEAR?
A. KLHVZ
B. KLZVH
C. KLVZH
D. KLVZI
Answer : D

Question. Some letters are given which are numbered 1, 2, 3, 4, 5, 6 and 7. Find that combination of numbers so that letters arranged accordingly form a meaningful word.
E I C C N S E
1 2 3 4 5 6 7
A. 2,1, 5, 3, 4, 6, 7
B. 6, 4, 2, 1, 5, 3, 7
C. 3, 4, 5, 2, 1, 6, 7
D. 1, 6, 2, 4, 5, 3, 7
Answer : B

Question. Find the figure from the options which completes the Fig. (X).

Answer : B

Question. Manha is facing the playground now after making a 3/4 turn in a clockwise direction. She was facing _______ before.

A. Stadium
B. Shopping centre
C. Library
D. Clinic
Answer : A

Question. Find the missing figure from the options which will continue the series established by the problem figures.

Answer : D

Question. Find a figure from the options in which Fig. (X) is embedded as one of its part.

Answer : C

Question. Select the correct mirror image of figure (X).

Answer : C

Question. Which number will replace the question mark?

A. 98
B. 105
C. 110
D. 125
Answer : C

Question. Saurabh remembers that his sister's birthday was before 11^th but after 8^th December, while his brother remembers that their sister's birthday was after 9th but before 15^th December. On what date does their sister's birthday fall?
A. 8^th December
B. 10^th December
C. 9^th December
D. 11^th December
Answer : B

Question. If the pattern continues, what letter will be at the 99^th position?
X Y Z Z Y X X Y Z Z Y X 1^st
A. Z
B. Y
C. X
D. Can't be determined
Answer : A

Question. Count the number of triangles in the given figure.

A. 22
B. 23
C. 25
D. None of these
Answer : C

Question. The following question consists of a Problem Set.
Select a figure from the options which will continue the series established by the Problem Set.

Answer : D

Question. Which of the following letter is fifteenth to the right of the sixth letter from the left end of the given arrangement?
D U B C A B E D C A B U D C B A E D B C A D E B A U C D A E B
A. D
B. B
C. E
D. A
Answer : D

Question. Which of the following completes the first pair in the same way as the second pair?

Answer : C

Question. Pointing to a photograph, Rahul said, "She is the daughter of my grandfather's only son". How is Rahul related to the girl in the photograph?
A. Father
B. Brother
C. Cousin
D. Can't be determined
Answer : B

Question. What comes next in the given number series ?
0, 2, 3, 5, 8, 10, 15, 17, 24, 26, ?
A. 28
B. 30
C. 32
D. 35
Answer : D

Question. Which of the following diagrams indicates the best relation between Triangle, Square and Rectangle?

Answer : B

Question. Find one word which can be made from the letters of the given word.
GERMINATION
A. GERMAN
B. NOTION
C. NOTATION
D. SMART
Answer : A

Question. If '–' means 'added to', '×' means 'subtracted from', '÷' means 'multiplied by', and '+' means 'divided by'; then 20 × 12 + 4 – 16 ÷ 5 = ?
A. 17
B. 97
C. 80
D. 63
Answer : B

MATHEMATICAL REASONING

Question. MMMMDCCI + MMMMDCCCI = _______.
A. 9052
B. 8502
C. 9502
D. 7052
Answer : C

Question. The value of 64.1 × 100 + 4.5 × 70 =
A. 5725
B. 7625
C. 6752
D. 6725
Answer : D

Question. Which figure has greatest unshaded fraction?

A. Figure I
B. Figure II
C. Both are equal
D. Can't be determined
Answer : A

Question. If the product of 2(4/7) and 3 is subtracted from a number, it gives 21(5/14) . Find the number.
A. 13(12/16)
B. 8(9/14)
C. 11(10/14)
D. 29(1/14)
Answer : D

Question. The given table shows the postage rates at a post office.
Study carefully and answer the following question.

How much postage is needed to send a local mail of mass 1460 g?
A. ₹ 15.90
B. ₹ 19.00
C. ₹ 16.90
D. ₹ 20.30
Answer : D

Question. What should be the number in the empty box ?
1656 → ......... → x 18 → = 432
A. ÷ 24
B. ÷ 69
C. ÷ 32
D. × 13
Answer : B

Question. Find the unshaded area.
A. 189 cm²
B. 185 cm²
C 198 cm²
D. 115 cm²
Answer : A

DIRECTION (a - b) : The given line graph shows the number of sofa sets sold in a furniture shop from January to June. Study it carefully and answer the given questions.

Question a. What was the decrease in the number of sofa sets sold from April to May?
A. 6
B. 5
C. 3
D. 10
Answer : A

Question b. If each sofa set was sold at ₹ 32,000, how much money was collected from the sale of the sofa sets from January to March?
A. ₹ 1042000
B. ₹ 4012000
C. ₹ 102400
D. ₹ 1024000
Answer : D

Question. The given table shows the time taken by five children to complete a science quiz. Which child had the fourth fastest time?

A. Kirti
B. Mahek
C. Aman
D. Aakash
Answer : A

Question. The given figure is made up of three identical squares of sides 8 cm each and CD = DE = EF = GH = HI = IJ. Find the perimeter and area of the figure.

A. 83 cm, 200 cm²
B. 86 cm, 64 cm²
C. 80 cm, 192 cm²
D. 86 cm, 182 cm²
Answer : C

Question. In 189485, the value of 8 in the ten thousand's place is _______times the value of 8 in the ten's place.
A. 10
B. 100
C. 1000
D. 10000
Answer : C

Question. What is 1 less than 1/4 of a million?
A. 249999
B. 500001
C. 500000
D. 499991
Answer : A

Question. Find the missing number in the box.
552847 = 500000 + ............ + 25000 + 40 + 7
A. 2780
B. 27800
C. 278000
D. 2780000
Answer : B

Question. What is the value of 188888 – 88888 × 10 + 4000000 ÷ 2?
A. 2500000
B. 2050000
C. 1300008
D. 1300080
Answer : C

EVERYDAY MATHEMATICS 

Question. Nitin set off from Town A. After 2 hours 20 minutes later, he stopped at Town B for lunch. He then took another 2 hours 5 minutes to reach Town C. How long was his lunch break? (Give your answer in hours and minutes)

A. 1 hr
B. 2 hrs 25 mins
C. 1 hr 25 mins
D. 1 hr 35 mins
Answer : C

Question. Tanu has 196 beads. Shalini has 1(3/4) times as many beads as Tanu. How many beads do they have altogether?
A. 343
B. 439
C. 339
D. 539
Answer : D

Question. Garima paid a down payment of ₹ 220000 for a car.
She then paid a monthly installment of ₹ 9800.50 for 72 months. Find the total amount paid for the car.
A. ₹ 5,90,586
B. ₹ 5,90,596
C. ₹ 8,90,586
D. ₹ 9,25,636
Answer : D

Question. A box containing 18 jars of orange juice weighs 17 kg 500 g. If the empty box weighs 1 kg 300 g, what is the weight of 5 jars of orange juice?
A. 4 kg 250 g
B. 3 kg 500 g
C. 3 kg 250 g
D. 4 kg 500 g
Answer : D

Question. Mohit spent 2/9 of his money on a watch and ₹ 200 on a tennis racket. If he had 1/2 of his money left, how much did watch cost?
A. ₹ 360
B. ₹ 720
C. ₹ 320
D. ₹ 160
Answer : D

Question. A study is 6 m wide by 11 m long. Mrs. Sharma wants to partition an area that measures 2 m wide by 5 m long for bookshelves. Find the remaining area of the study.
A. 58 m²
B. 60 m²
C. 56 m²
D. 50 m²
Answer : C

Question. Latika bought 9 litres of apple juice. She poured the apple juice equally into 6 containers. There was 0.18 litre of juice left. What was the volume of juice in each container?
A. 1.48 L
B. 1.47 L
C. 1.45 L
D. 1.37 L
Answer : B

Question. If Jatin is able to save ₹ 6500 in a month, how many months will he take to save ₹ 91,000?
A. 24 months
B. 32 months
C. 14 months
D. 34 months
Answer : C

Question. 4838 people took part in a marathon. 425 people gave up after the first hour. One third of the remaining people gave up after the second hour. The rest completed the marathon. How many people completed the marathon?
A. 2945
B. 2942
C. 2940
D. 2948
Answer : B

Question. 3 shirts and 7 pairs of pants have a total of 55 buttons.
Each pair of pants has 5 fewer buttons than each shirt.
How many buttons are there on each shirt?
A. 4
B. 9
C. 25
D. 30
Answer : B

ACHIEVERS SECTION

Question. Find the difference between area of the shaded part and unshaded part of the figure.

A. 32 cm²
B. 36 cm²
C. 38 cm²
D. 24 cm²
Answer : D

Question. Match the columns:

A. (i) - P, (ii) - R, (iii) - Q, (iv) - S
B. (i) - S, (ii) - R, (iii) - P, (iv) - Q
C. (i) - S, (ii) - P, (iii) - R, (iv) - Q
D. (i) - Q, (ii) - S, (iii) - P, (iv) - R
Answer : B

Question. Which of the following figures has the smallest unshaded area?

Answer : D

Question. Find P + Q × R – S.

A. 25
B. 26
C. 27
D. 28
Answer : B

Question. One third of the members of a badminton club are girls. Which of the following bar graphs is the correct representation of the members of the club?

Answer : D