CBSE Class 5 Mathematics IMO Olympiad MCQs with Answers Set H

LOGICAL REASONING

Question. If in a certain code language, WEAK is coded as 9%2$ and SKIT is coded as #$7@, then how will WAIT be coded in the same language?
A. 92#7
B. 927$
C. 92@$
D. 927@
Answer : D

Question. Armaan walks 1 km towards East and then he turns to South and walks 5 km. Again he turns to East and walks 2 km, finally he turns to North and walks  9 km. In which direction is he now with respect to the starting point?
A. North-East
B. South-West
C. North
D. East
Answer : A

Question. Some letters are numbered 1, 2, 3, 4, 5 and 6 as given.
Arrange the letters to form a meaningful word and select the correct option.
                                          N   E   U   B   M    R
                                          1   2   3   4    5    6
A. 4, 1, 5, 2, 3, 6
B. 1, 3, 5, 4, 2, 6
C. 2, 4, 3, 5, 1, 6
D. 6, 1, 2, 3, 4, 5
Answer : B

Question. Mohit and Samrath are twins. Mini is younger than Samrath. Mini is younger than Sidak but elder than Trishu. Samrath is younger than Sidak. Who is the oldest among all?
A. Mohit
B. Sidak
C. Mini
D. Trishu
Answer : B

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

A. 25
B. 59
C. 49
D. 73
Answer : C

Question. The given net represents which of the following shape?

Answer : B

Question. Which of the following options is exactly same as that of Fig. (X)?

Answer : C

Question. Select a figure from the options which will continue the same series as established by the Problem Figures

Answer : D

Question. If the dates which are multiples of 4 are considered as holidays, then how many days are working?
(Assume that Sunday is a holiday).

A. 24
B. 21
C. 19
D. 18
Answer : D

Question. Select the one which appears at the second position in which they occur in the dictionary.
A. Captain
B. Capital
C. Capsule
D. Carpenter
Answer : C

Question. Which of the following Venn diagrams best depicts the relationship amongst “Tables, Pineapple, Fruits”.

Answer : A

Question. Select the odd one out.
A. DFGH
B. KMNO
C. ABCD
D. RTUV
Answer : C

Question. Select a figure from the options which will complete the pattern in Fig. (X).

Answer : B

Question. Arijit correctly remembers that he visited Punjab before thirteenth of August but after ninth of August.
His sister Trishika correctly remembers that Arijit visited Punjab after eleventh of August but before fourteenth of August. On which day of August did Arijit visit Punjab?
A. Eleventh
B. Twelfth
C. Tenth
D. Can't be determined
Answer : B

Question. Which of the following options will complete thegiv en number series?
3, 9, 27, 81, (?)
A. 324
B. 243
C. 210
D. 162
Answer : B

MATHEMATICAL REASONING

Question. Which of the following figure(s) has/have perpendicular lines?

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

Question. What is the missing number in the box?
115 × 84 = ⬜ ÷ 10
A. 966
B. 9660
C. 96600
D. 966000
Answer : C

Question. Express 3/10 of 3 kg in grams.
A. 300 g
B. 600 g
C. 900 g
D. 2100 g
Answer : C

Question. Study the given clocks. How long did Samaksh take to complete his homework?

A. 1 hr
B. 1 hr 18 mins
C. 1 hr 40 mins
D. 1 hr 12 mins
Answer : C

Question. Add the 4^th multiple of 52 and the 8th multiple of 37.
The value obtained is 700 less than ♣. Find ♣.
A. 1400
B. 504
C. 968
D. 1204
Answer : D

Question. Select the INCORRECT match.
A. MDCLXVI - 1666
B. MCDXLIV - 1444
C. MCDXLVI - 1446
D. MDCXIV - 1612
Answer : D

Question. Which of the following figures does not have a line of symmetry?

Answer : B

Question. Aman and Akshay both shaded some parts of two squares of the same size as given below.

Nikhil, their friend, also shaded some parts of a square of the same size where he shaded a greater area than Aman but a smaller area than Akshay. Which of the following can be Nikhil’s square?

Answer : B

Question. In a Mathematics paper, scores of three girls are as follows :
Trishika : First multiple of 95.
Mini : Third multiple of 28.
Sidak : Greatest factor of 78.
Which of the following is correct about the scores of the girls?
A. Trishika < Mini < Sidak
B. Mini < Trishika < Sidak
C. Sidak < Mini < Trishika
D. Trishika < Sidak < Mini
Answer : C

Question. Which of the following statements is correct ?
A. Perimeter of any regular figure is the product of its sides.
B. Area of any regular figure is the sum of its sides.
C. The perimeter of a rectangle formed by joining two squares of side 4 cm is 24 cm.
D. If the sides of rectangle are doubled, then its area will also be doubled.
Answer : C

Question. Which of the following is not shown in the given diagram?

A. Ray BD
B. Line AD
C. Angle B
D. Line segment CD
Answer : D

Question. Which type of angle has a measure that is smaller than a right angle ?
A. Acute
B. Obtuse
C. Straight
D. Congruent
Answer : A

Direction (a - b) : The following table shows the number of visitors to 3 places of attraction over a period of 3months. 

Question a. How many more visitors visited the Zoo than the National park in these 3 months?
A. 1646593
B. 1646794
C. 1646793
D. 1646958
Answer : C

Question b. What was the total number of visitors to the 3 places of attraction in March?
A. 2524373
B. 2524673
C. 2524683
D. 2524873
Answer : B

Question. 64 thousands 80 hundreds 75 tens – 17 thousands 92 hundreds 68 tens 19 ones = ..............
A. 45831
B. 45841
C. 45851
D. 45861
Answer : C

Question. What must be added to 98761 to make it ten million?
A. 9901239
B. 9912399
C. 9901249
D. 9002391
Answer : A

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

A. 2, 2
B. 5, 2
C. 3, 1
D. 4, 2
Answer : A

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

Question. Find the sum of all the factors of 48 that are multiples of 6?
A. 90
B. 80
C. 120
D. 70
Answer : A

Question. Which two numbers gives the product 383240?
A. 8156 and 45
B. 5896 and 65
C. 9842 and 25
D. 6425 and 12
Answer : B

EVERYDAY MATHeMATICS

Question. A recipe needs 2/5 cup of milk and 1/3 cup of cream. 
How much more milk than cream is required?
A. (2/15)cup
B. (1/15)cup
C. (3/10)cup
D. (1/5)cup
Answer : B

Question. If a drum can hold 18.75 L of diesel, how many litres of diesel can 7 such drums hold?
A. 125.26 L
B. 150 L
C. 131.25 L
D. 138.25 L
Answer : C

Question. A man bought 500 g of grapes, 750 g of apples, 250 g of strawberries and 1 kg of oranges. What quantity of fruits did he buy?
A. 1.5 kg
B. 2.5 kg
C. 2.2 kg
D. 3 kg
Answer : B

Question. Karan saved ₹ 3,12,180 in a year. If he spends ₹ 2870, how much will be left with him?
A. ₹ 3,09,210
B. ₹ 3,09,110
C. ₹ 3,08,130
D. ₹ 3,09,310
Answer : D

Question. A contractor got contract for the construction of three roads. The length of the first road is 130 km 750 m, that of the second road is 98 km 411 m and of the third road is 203 km 42 m. Find the total length of the roads that he needs to construct.
A. 423 km 213 m
B. 512 km 682 m
C. 432 km 203 m
D. 423 km 302 m
Answer : C

Question. Find the length of the wire required to fence 2 rounds of a rectangular park of length 15 m and breadth 10 m. Also, find the cost of fencing the park at the rate of ₹ 4 per metre.
A. 50 m, ₹ 200
B. 100 m, ₹ 400
C. 100 m, ₹ 200
D. 50 m, ₹ 400
Answer : B

Question. A porter was carrying two bags - one weighing 15 kg 700 g and the other weighing 10 kg 850 g.
How much weight was the porter carrying?
A. 24 kg 300 g
B. 26 kg 550 g
C. 25 kg 550 g
D. 26 kg 250 g
Answer : B

Question. Rohit's father drove 157.4 km on Monday and89.6 km on Tuesday. How many less kilometres did  he drive on Tuesday?
A. 65.5 km
B. 48.7 km
C. 67.8 km
D. 54.8 km
Answer : C

Question. A drum full of wheat weighs 84(1/2)kg. If the empty drum weighs 12(1/5) kg, then find the weight of wheat in the drum.
A. 96(1/10)kg
B. 7(1/10)kg
C. 72(3/10)kg
D. 72 kg
Answer : C

Question. Each floor of a building is fitted with 20 doors. There are 12 such floors in one building and there are 25 such buildings in a complex. Find the total number of doors fitted in the complex.
A. 2400
B. 3000
C. 6000
D. 5000
Answer : C

ACHIEVERS SECTION

Question. A basket with 30 pears has a weight of 11 kg 200 g.
The same basket with 18 pears has a weight of 7 kg.
If each pear in the basket has the same weight, then :
(a) What is the weight of the empty basket?
(b) What is the weight of the basket with 7 pears?
       (a)             (b)
A. 700 g       3000 g
B. 500 g       3150 g
C. 200 g       1550 g
D. 700 g       3150 g
Answer : D

Question. Ayan rented a bicycle for 5 hours. How much did he pay?

A. ₹ 40.75
B. ₹ 49.25
C. ₹ 48.75
D. ₹ 55.25
Answer : D

Direction (a - b) : The line graph shows the sales of a shop from Monday to Friday

Question a. What fraction of the total sales from Monday to Friday was collected on Wednesday?
A. 2/5
B. 2/3
C. 4/9
D. 10/39
Answer : D

Question b. If the sales made on Saturday was 13/4 times the total sales made on Thursday and Friday, how much was the sales made on Saturday?
A. ₹ 2625
B. ₹ 3000
C. ₹ 4375
D. ₹ 7000
Answer : D

Question. 18 years ago, Sam was thrice as old as Trishu. Sam is 54 years old now.
(a) How old will Sam be 5 years from now?
(b) How old was Trishu 5 years ago?
         (a)                        (b)
A. 59 years              25 years
B. 54 years              30 years
C. 54 years              25 years
D. 59 years              20 years
Answer : A