CBSE Class 5 Mathematics IMO Olympiad MCQs with Answers Set B

LOGICAL REASONING

Question. How many meaningful English words can be made with the letters ERTU using each letter only once in each word?
A. 0
B. 1
C. 2
D. More than two
Answer : B

Question. Study the given arrangement carefully :
1 F A 3 D K U J 9 B R 2 K E L 8 G P
Which of the following is eighth to the right of seventh letter from the left end in the above arrangement?
A. F
B. P
C. L
D. 2
Answer : C

Question. Select the figure from the options which forms the correct mirror image of Fig. (X), if mirror is placed along MN?

Answer : A

Question. In a certain code 'INFORM' is written as 'FNIMRO', then 'DETECT' will be coded as _______.
A. DETTCE
B. TEDECT
C. TEDCET
D. TEDTCE
Answer : D

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

A. 13
B. 14
C. 15
D. 16
Answer : B

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

Answer : D

Question. Mohit travels 12 km west, then 3 km towards south and then 12 km towards east. How far is he from the starting point?
A. 3 km
B. 20 km
C. 15 km
D. 5 km
Answer : A

Question. Samay correctly remembers that he visited Chandigarh before thirteenth of August but after ninth of August. His sister Priya correctly remembers that Samay visited Chandigarh after eleventh of August but before fourteenth of August. On which day of August did Samay visit Chandigarh?
A. Eleventh
B. Twelfth
C. Tenth
D. Thirteenth
Answer : B

Question. Garima is senior to Megha but not to Zarrin. Beena is junior to Megha but no one is senior to Latika. Who is the most junior?
A. Garima
B. Megha
C. Latika
D. Beena
Answer : D

Question. If one is added to the second digit of each number in given set of numbers, then which number will be lowest?
489 441 454 473 483
A. 441
B. 489
C. 454
D. 473
Answer : A

Question. Select a figure from the options which will complete the Figure (X).

Answer : B

Question. Find the missing number, if a certain rule is followed row-wise or column-wise.

A. 79
B. 69
C. 59
D. 89
Answer : B

Question. Select the odd one out.
A. ADGJ
B. PSVY
C. JMOR
D. UXAD
Answer : C

Question. What will come next in the series below?
C4X, F9U, I16R, ?
A. K25P
B. L25P
C. L25O
D. L25M
Answer : C

Question. Tisha ranks eleventh from the top and tenth from the bottom in an exam. How many students are there in her class?
A. 20
B. 21
C. 22
D. 19
Answer : A

Question. Select a figure from the options which will complete the series shown below.

Answer : D

Question. There is a certain relationship between figures (1) and (2). Establish a similar relationship between figures (3) and (4) by selecting a figure from the options to replace the (?) in figure (4).

Answer : D

Question. Select a combination of numbers from the options which will form a meaningful word.
Y     L     P     E    A     R
1     2     3     4     5     6
A. 3, 2, 5, 1, 6, 4
B. 3, 2, 5, 1, 4, 6
C. 3, 1, 2, 5, 4, 6
D. 3, 2, 1, 5, 6, 4
Answer : B

Question. Identify the symmetrical figure corresponding to the half symmetrical figures shown below.

Answer : A

Question. Sandeep is facing the Garden. He makes a 3/4 -turn in an anti-clockwise direction and then 270° turn in clockwise direction. He is facing _________ now.

A. Playground
B. Garden
C. Swimming pool
D. Library
Answer : B

MATHEMATICAL REASONING

Question. Which of the following options makes the given expression true?
990064 + 420349 ⬜ 912345 + 521935
A. >
B. <
C. =
D. Can’t be determined
Answer : B

Question. Select the INCORRECT match.
A. LIV = 54
B. XLVI = 46
C. LXXIX = 89
D. XL = 40
Answer : C

Question. The quotient when 222816 is divided by 24 is _____.
A. 9286
B. 9284
C. 9248
D. 2984
Answer : B

Question. How many prime numbers are there between 40 and 54?
A. 4
B. 5
C. 3
D. 6
Answer : A

Question. The given figure shows two ribbons. What is the difference in length between the ribbons?

A. 1.8 m
B. 1.6 m
C. 1.7 m
D. None of these
Answer : D

Question. The value of 9.85 + 0.6 – 0.28 is ____.
A. 10.73
B. 10.37
C. 10.17
D. 9.17
Answer : C

Question. What is the area of the shaded figure?

A. 26 cm²
B. 52 cm²
C. 64 cm²
D. 56 cm²
Answer : D

Question. How many lines of symmetry does the figure have?

A. 0
B. 1
C. 2
D. 4
Answer : A

Question. Find the perimeter of the given figure. (Two rectangles are of same shape and size) (FG = FH = GH)

A. 165 cm
B. 150 cm
C. 135 cm
D. 170 cm
Answer : D

Question. How many right angles are there in the figure?

A. 12
B. 16
C. 18
D. 20
Answer : B

Question. The number of factors of 126 are ______.
A. 12
B. 14
C. 16
D. 18
Answer : A

32. If another 1/4 of the given figure was to be shaded, what fraction of the whole figure would be shaded?

A. 5/7
B. 3/8
C. 4/7
D. 1/2
Answer : C

Question. The product of 24 tenths and 4 ones is the same as _________.
A. 96 tenths
B. 9 tenths 6 hundredths
C. 96 hundredths
D. 9 ones 6 hundredths
Answer : A

Question. The clock shows the time at which the movie started.
The movie ended 2(1/2) hours later. When did the movie end?

A. 5 : 17
B. 4 : 47
C. 4 : 50
D. 5 : 20
Answer : A

Question. On a Saturday afternoon, Avantika read page 346 to page 597 of a novel. How many pages did she read?
A. 251
B. 252
C. 253
D. 250
Answer : B

EVERYDAY MATHEMATICS

Question. Mr. Gupta bought a house for ₹ 1672000. He spent ₹ 12582 on the furniture and ₹ 8540 for the curtains.
Then he spent another ₹ 5675 for preparing the front lawn of the house. How much money did he spend altogether?
A. ₹ 1678997
B. ₹ 1698797
C. ₹ 1498567
D. ₹ 1512998
Answer : B

Question. Latika saved ₹ 28.50 from her pocket money. Her mother gave her ₹ 45.70 and her father also gave her ₹ 65.25. How much money does Latika have now?
A. ₹ 129.78
B. ₹ 139.45
C. ₹ 119.75
D. ₹ 145.50
Answer : B

Question. The price of a metre of cloth is ₹ 12(1/2). What would be the price of 5(7/15) metre of cloth?
A. ₹ 59(1/15)
B. ₹ 70(1/5)
C. ₹ 68(1/3)
D. ₹ 45(1/3)
Answer : C

Question. A rectangular floor is 9 m long and 7 m wide. A square rug of length 5 m is laid on the floor. What is the area of the floor not covered by the rug?

A. 25 m²
B. 38 m²
C. 63 m²
D. 88 m²
Answer : B

Question. Aman took 1 hr 21 minutes to travel from his house to his office on Monday. He took 2 hrs 12 minutes to travel the same route on Tuesday because of a traffic jam. How much longer did he take on Tuesday?
A. 1 hour
B. 62 minutes
C. 51 minutes
D. 91 minutes
Answer : C

Question. A housing project involves construction of 1879392 houses for poor people in 96 colonies. How many houses will be constructed in each colony?
A. 15877
B. 18577
C. 19757
D. 19577
Answer : D

Question. A rectangular playground is 125 m long and 95 m wide.
If a boy walks around it 3 times, how much distance does he cover?
A. 1320 m
B. 1300 m
C. 660 m
D. 1200 m
Answer : A

Question. There was 11.265 L of tea in a pot. It was distributed among 40 people, each person get 220 mL of tea.
1.345 L of tea fell on the floor. How much tea is left in the pot?
A. 1.1 L
B. 1.12 L
C. 10.71 L
D. 8.9 L
Answer : B

Question. Shweta bought 7(1/4) metre lace for making a dress.
If 1(1/6) metre of the lace is left, what length of lace was used by her?
A. 7(1/3)m
B. 5(1/3)m
C. 6(1/12)m
D. 6 m
Answer : C

Question. What is the cost of 3 kg of cherries?

A. ₹ 26
B. ₹ 23.85
C. ₹ 8.5
D. ₹ 25.50
Answer : D

ACHIEVERS SECTION

Question. The time shown on Manu’s watch was 45 minutes slow. He adjusted the watch to set it to the actual time. How many right angles had he formed by moving the minute hand? Did he make a clockwise or anti-clockwise turn?
A. 2 right angles, anti-clockwise
B. 2 right-angles, clockwise
C. 3 right angles, anti-clockwise
D. 3 right angles, clockwise
Answer : D

Question. The difference between (4 tens 12 tenths and 25 hundredths) and (3 tens 14 tenths and 45 thousandths) is
A. 10.05
B. 10.005
C. 10.5
D. 15.005
Answer : B

Question. Which of the following options hold?
Statement 1 : The value of CM – CD + CVII is 607.
Statement 2 : Symbol C can be added to every Roman symbol. But it can be subtracted from D and M only.
A. Statement 1 is true but statement 2 is false.
B. Statement 1 is false but statement 2 is true.
C. Both the statements are true.
D. Both the statements are false.
Answer : C

Question. Which of the following statements is INCORRECT?
A. Division by zero is not possible.
B. Symbols V, L and D can be used only once.
C. 2 is the only even number which is a prime number.
D. The sum of common factors of 32 and 48 is 20.
Answer : D

Question. Select the correct match.

Answer : D