CBSE Class 5 Mathematics IMO Olympiad MCQs with Answers Set D

LOGICAL REASONING

Question. How many meaningful English words can be formed from the letters ADRW using each letter only once in each word?
A. One
B. Two
C. Three
D. None of these
Answer : B

Question. Some letters given are numbered 1, 2, 3, 4 and 5 followed by four options containing combination of these numbers. Find the combination of numbers so that letters are arranged accordingly to form a meaningful word.
U     J     C      I      E
1     2     3      4      5
A. 1, 2, 3, 4, 5
B. 2, 4, 1, 5, 3
C. 2, 1, 4, 3, 5
D. 3, 1, 2, 4, 5
Answer : C

Question. There is a connection between the numbers in the first row and those in the second row. Find the missing number.
First row      : 15     21   34    12   19
Second row : 105  147  238  84     ?
A. 133
B. 143
C. 193
D. 173
Answer : A

Question. Which of the following options will complete the pattern in Fig.(X)?

Answer : B

Question. If Mohit is facing the sports club and turn in an anticlockwise direction to face the Airport, what angle did he turn through?

A. 225°
B. 135°
C. 180°
D. 270°
Answer : A

Question. Find the missing number, if the wheel is rotated in the given direction.

A. 8
B. 4086
C. 16
D. 4096
Answer : D

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

Answer : D

Question. Four darts were thrown at a dartboard as shown below. All four darts landed on the dartboard. Which of the following is not a possible score?

A. 80
B. 90
C. 130
D. 210

Answer : D

Question. The top half of a symmetrical figure is shown below. XY is the line of symmetry. Which one of the following options will complete the symmetric figure?

Answer : B

Question. If 'White' is called 'Blue', 'Blue' is called 'Red', 'Red' is called 'Yellow', 'Yellow' is called 'Green', 'Green' is called 'Black', 'Black' is called 'Violet' and 'Violet' is called 'Orange', then what would be the colour of human blood?
A. Red
B. Yellow
C. Green
D. Violet
Answer : B

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

A. 11
B. 21
C. 18
D. 19
Answer : A

Question. Study the following arrangement carefully and answer the question given below.
m 4 e t % j 9i b @ u 8 © n # f 1 v7★ 2 a h 3 y 5 $ 6 K
Which of the following is ninth to the right of the seventeenth from the right end of the above arrangement?
A. A
B. %
C. I
D. Y
Answer : A

Question. Which of the following Venn diagrams best represents the relationship amongst Colour, Red, Blue?

Answer : B

Question. Find the odd one out

Answer : D

Question. There is a certain relationship between Fig.(i) and (ii). Establish the similar relationship between Fig.(iii) and (iv) by selecting a suitable figure from the options which will replace the (?) in Fig.(iv).

Answer : D

MATHEMATICAL REASONING

Question. What fraction of the figure is unshaded?

A. 13/16
B. 13/32
C. 19/32
D. 32/19
Answer : C

Question. Rectangle ACEG below is divided into 4 parts. BCDX is square. What is the area of the shaded part?

A. 28 cm²
B. 32 cm²
C. 48 cm²
D. 64 cm²
Answer : B

Question. The given table shows a baby's weight on the first day of each month from April to August.

In which month did the baby's weight increase the most?
A. April
B. May
C. June
D. July
Answer : A

Question. ______ is a factor of 6th multiple of 53.
A. 4
B. 5
C. 6
D. 7
Answer : C

Question. Which of the following numbers is the greatest?
A. 0.6
B. 0.64
C. 0.608
D. 0.631
Answer : B

Question. Place value and face value of a number is always equal at ____.
A. One’s Place
B. Ten’s place
C. Hundred’s Place
D. None of these
Answer : A

Question. Which one of the figures is a symmetrical figure?

A. Both (i) and (v)
B. Only (v)
C. Both (ii) and (iv)
D. Only (iii)
Answer : B

Question. 19 ÷ 5(2/3) + 32 ÷ 5(2/3) = 13(1/6) − _____.
A. 4(1/6)
B. 8.9
C. 9
D. 51
Answer : A

Question. Roman numeral for 498 is ____.
A. CDCXVIII
B. CDCXIV
C. CDXCVIII
D. None of these
Answer : C

Question. The shaded figure given below is formed using 3 squares and 3 equilateral triangles. The length of the straight line AB is 15 cm.

Find the perimeter of the shaded figure.
A. 45 cm
B. 70 cm
C. 75 cm
D. 105 cm
Answer : C

Question. Sum of the factors of 71 is ______.
A. 72
B. 194
C. 71
D. 78
Answer : A

Question. 4(5/6) hours = _____ seconds.
A. 11400
B. 17400
C. 8700
D. 10800
Answer : B

Question. There are ______ pair of parallel lines in the given figure.

A. 2
B. 5
C. 3
D. 4
Answer : C

Question. 100 × 26.25 is same as ______.
A. 2.625 × 10
B. 2.625 ÷ 10
C. 2625 × 10
D. 26250 ÷ 10
Answer : D

Question. ______ is a factor of every number and every number is a factor of itself.
A. 0
B. 1
C. 2
D. 10
Answer : B

Question. ______ is equivalent of one lakh in International System of number.
A. Hundred thousand
B. Ten million
C. One million
D. Ten thousand
Answer : A

Question. How many angles inside the figure below are equal to three right angles?

A. 4
B. 2
C. 3
D. 1
Answer : C

Question. What is the weight of the packet of sugar as shown on the weighing scale in the figure?

A. 300 g
B. 350 g
C. 400 g
D. 450 g
Answer : C

Question. How many right angles are there in 2(1/2) complete turns?
A. 8
B. 10
C. 12
D. 14
Answer : B

Question. Select the incorrect match.
A. 318 – CCCXVIII
B. 523 – DXXIII
C. 694 – DCXIV
D. 940 – CMXL
Answer : C

EVERYDAY MATHEMATICS

Question. A traveller covered a distance of 268640 km in 365 days. If he covered the same distance every day, how much distance did he cover each day?
A. 810 km
B. 736 km
C. 736 m
D. 533 m
Answer : B

Question. A gas cylinder has a capacity of 34 L of gas. 27(2/3)L of gas is used. How much gas is left in the cylinder?
A. 6(1/3)L
B. 5(2/3)L
C. 4(3/7)L
D. 9(1/2)L
Answer : A

Question. A tin can hold 17.8 L of oil. How many such tins will be required to hold 213.6 L of oil?
A. 12
B. 17
C. 13
D. 20
Answer : A

Question. Five friends went on a picnic. Each of them covered 30 km 830 m distance in his car. How much distance did all of them travel together?
A. 15415000 km
B. 154 km 150 m
C. 150 km 154 m
D. 1504150 km
Answer : B

Question. The train fare from Delhi to Amritsar for 10 persons is ₹ 1850. What is the fare for 25 persons?
A. ₹ 18500
B. ₹ 462500
C. ₹ 4625
D. ₹ 2500
Answer : C

Question. In the first year, the total amount earned from the sale of tickets for a play is ₹ 7580.95. In the second year, the amount goes up to ₹ 9635.65 and in the third year, it is ₹ 152 less than what it was in the second year. What is the total amount in three years?
A. ₹ 2670.25
B. ₹ 10317.50
C. ₹ 78416.30
D. ₹ 26700.25
Answer : D

Question. Find the area of rectangular garden of length 18 m and breadth 10 m. Also, find the cost of manuring the garden at the rate of ₹ 5 per m².
A. 180 m², ₹ 1800
B. 180 m², ₹ 900
C. 28 m², ₹ 280
D. 14 m², ₹ 450
Answer : B

Question. There are 656 apples in one box. How many apples are there in 945 such boxes?
A. 324720
B. 616620
C. 514313
D. 619920
Answer : D

Question. In a multi-storey building, 1/6 of the 546 residents watch the Sports channel. Find the number of people who do not watch this channel.
A. 436
B. 455
C. 544
D. 380
Answer : B

Question. A hostel consumes 22 L 500 mL of milk each day.
If 450 mL milk is consumed by each child, find the number of children in the hostel.
A. 50
B. 70
C. 120
D. 90
Answer : A

ACHIEVERS SECTION

Question. In an election, there were three candidates P, Q and R. Candidate P got 68,36,940 votes and candidate Q got 64,47,542 votes. If the total number of votes was 2,63,46,709, how many votes did candidate R get? Who won the election?
A. 26345712, Q
B. 13062227, P
C. 13062227, R
D. 64940368, R
Answer : C

Question. Part of a scale is shown below. What is the value of the reading at X?

A. 10.02 cm
B. 10.04 cm
C. 10.2 cm
D. 10.4 cm
Answer : B

Question. Which of the following statements is correct?
A. One lakh and one hundred thousands will give 3 lakhs.
B. The difference between ten lakhs and one million is 100000.
C. The billions place is 100 times larger than the millions place.
D. Product of XVII and XXIV added to XXXIII is CDXLI.
Answer : D

Question. Vivek rented a bicycle for 3 hours. How much did he pay?

A. ₹ 13
B. ₹ 19
C. ₹ 22
D. ₹ 30
Answer : B

Question. Gautam is thinking of a four digit number.
• The fourth digit is thrice the first digit.
• The second digit is the second multiple of 2.
• The third digit is the smallest even number.
Find the number.
A. 3426
B. 6421
C. 9423
D. 3429
Answer : D