CBSE Class 5 Mathematics IMO Olympiad MCQs with Answers Set 16

SECTION I : LOGICAL REASONING

Question. Complete the given number pattern.

(A) 35870
(B) 53870
(C) 53470
(D) 53570
Answer : C

Question. The given diagram shows the original position of a wheel. Which of the following diagrams shows the correct position of the wheel after it has been turned 3(1/8) turns to the left ?

Answer : D

Question. Which of the following words CANNOT be formed from the given word?
(A) TIME
(B) MAT
(C) MENTAL
(D) TAME
Answer : C

Question. Which of the following fractions represents shaded part of the figure?

(A) 4/12
(B) 5/12
(C) 7/12
(D) 6/12
Answer : B

Question. Housing Board built 100 flats. A painter is engaged to serially number each flat individually from 1 to 100. How many times will he be required to write zero?
(A) 10
(B) 8
(C) 9
(D) 11
Answer : D

Question. Study the table below. In which column will the number 55 appear ?

(A) W
(B) X
(C) Y
(D) Z
Answer : B

Question. How many connecting bars will there be in pattern 123 ?

(A) 615
(B) 1235
(C) 245
(D) 1225
Answer : D

Question. Preeti was facing the park at the beginning. She turned anti-clockwise to face north-west. What angle did she turn through ?

(A) 180°
(B) 135°
(C) 225°
(D) 230°
Answer : B

Question. The missing number in the box is ______.
737629, 717629, ? , 677629, 657629
(A) 687629
(B) 607629
(C) 707629
(D) 697629
Answer : D

Question. How many of the following letters have only 2 lines of symmetry?

(A) 0
(B) 1
(C) 2
(D) 3
Answer : C

Question. In a queue of 40 students, Ankita is 20th from last. What is her rank from first ?
(A) 21
(B) 20
(C) 19
(D) 22
Answer : A

Question. Net _____ cannot be folded to make an open cubical box.

(A) P only
(B) Q only
(C) R only
(D) S only
Answer : B

Question. What is missing number in the box ?
8147 = 8000 + 100 + ............. + 7
(A) 4
(B) 40
(C) 400
(D) 4000
Answer : B

Question. Garima is facing the Community centre. What will she be facing if she turns 270° clockwise ?

(A) Mall
(B) School
(C) Temple
(D) Park
Answer : C

Question. Which of the following figures will complete the given figure?

Answer : D

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

(A) 8
(B) 10
(C) 14
(D) None of these
Answer : C

Question. Study the diagram. If a person starts walking from point P and wants to reach point Q, in how many directions will that person have to walk?

(A) 10
(B) 8
(C) 20
(D) 7
Answer : B

Question. There is a certain relationship between figures 1 and 2. Identify the relationship and establish the similar relationship between figures 3 & 4 by selecting a figure from the options.

Answer : D

Question. Read the following information carefully.
(i) P and Q play Football and Hockey.
(ii) R and S play Badminton and Cricket.
(iii) Q and R play Cricket and Football.
(iv) P and S play Hockey and Badminton.
One who plays Badminton, Football and Hockey is ______.
(A) P
(B) Q
(C) R
(D) S
Answer : A

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

Answer : B

SECTION II : MATHEMATICAL REASONING

Question. The length of a rectangular painting is 15 cm and its breadth is 10 cm. There is a border around the painting. Find the area of the border.

(A) 336 sq. cm
(B) 150 sq. cm
(C) 114 sq. cm
(D) 186 sq. cm
Answer : D

vFind the value of 624.7 + 39.29.
(A) 101.76
(B) 663.99
(C) 66.399
(D) 660.79
Answer : B

Question. Select the correct Roman numerals in Column I with Hindu-Arabic numerals in Column II.
      Column I                   Column II
(A) CCXVIII                          318
(B) DCCLXIX                       769
(C) MMMCCXCIX              3399
(D) VDCCXLVII                  5748
Answer : B

Question. The piece of wood shown is cut into 4 equal pieces. Length of each of the piece of wood is ____.

(A) 2.25 m
(B) 2.5 m
(C) 2.4 m
(D) 3.5 m
Answer : A

Question. The difference between the value of P and Q is ________.

(A) 4
(B) 1
(C) 3
(D) 2
Answer : D

Question. Which of the following figures has the largest perimeter?

(A) Q
(B) P
(C) R
(D) S
Answer : D

Question. If x is 6th multiple of 3 and y is 4th multiple of 3, then the LCM of x and y is ______.
(A) 36
(B) 72
(C) 48
(D) 54
Answer : A

Question. What is the value of 600 + 1200 ÷ 6 × 2 + 400 × 2 ?
(A) 1400
(B) 1500
(C) 1800
(D) 2000
Answer : C

Question. Which of the following step is wrong for the given below mathematical sentence?
37091 – 72 ÷ 3 × 687 + 5973
Step I : 37091 – 24 × 687 + 5973 (Divide)
Step II : 37091 – 16388 + 5973 (Multiply)
Step III : 43064 – 16488 (Add)
Step IV : 26386
(A) Step I only
(B) Step III and IV
(C) Step II only
(D) Step II and IV
Answer : D

Question. Which of the following figures do not have more than 1/3 of its area shaded ?

Answer : D

Question. Which number should come in place of * to make the number divisible by 3 ?
1526 * 85
(A) 5
(B) 0
(C) 2
(D) 1
Answer : B

32. Find the value of P?

(A) 3
(B) 7
(C) – 4
(D) 9
Answer : D

Question. What is the greatest number of toys that can be bought with ₹ 100 ?

(A) 12
(B) 11
(C) 13
(D) None of these
Answer : C

Question. Which shape has the largest area ?

(A) Q
(B) R
(C) P
(D) S
Answer : A

Question. Find the greatest number which divides 36 and 84 leaving no remainder in each case.
(A) 6
(B) 9
(C) 12
(D) 18
Answer : C

Question. Which list shows all the prime numbers between 1 to 50 ?
(A) 1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47
(B) 2, 3, 5, 7, 11,13, 17, 19, 23, 29, 31, 37, 41, 43, 47
(C) 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47
(D) 2, 5, 7, 11, 21, 17, 19, 23, 29, 37, 43, 47
Answer : B

Question. If

(A) 15
(B) 25
(C) 12
(D) 20
Answer : B

Question. Hundred million = _______.
(A) 10 crore
(B) 1 crore
(C) 100 crore
(D) 10 lakh
Answer : A

Question. Which of the following expressions is true?
(A) 2.3749 > 2.0349
(B) 2.03749 < 2.003749
(C) 2.3749 > 2.4749
(D) None of these
Answer : A

Question. Which of the following is equal to 1/3 ?
(A) 2/3÷1
(B) 1/4÷6
(C) 1/12×4
(D) 2/6÷2/6
Answer : C

SECTION III : EVERYDAY MATHEMATICS

Question. In a box there are 199653 red marbles, 87653 blue marbles and 76998 green marbles. Find the total number of marbles.
(A) 364304
(B) 364403
(C) 344304
(D) 364344
Answer : A

Question. Priya had 3200 mL of olive oil. She used 2/5 of it in the first week and 1/8 of it in the second week.
How much oil was left ?
(A) 1280 mL
(B) 1920 mL
(C) 1520 mL
(D) 1680 mL
Answer : C

Question. Which of the following is the best estimate for 3095 × 84 ?
(A) 3100 × 90
(B) 3100 × 80
(C) 3000 × 90
(D) 3000 × 80
Answer : B

Question. Three 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

Question. A vni participated in a race. She took 1 hour 36 minutes and 14 seconds to complete the race. How many seconds she took in completing the race ?
(A) 2220 seconds
(B) 2234 seconds
(C) 5760 seconds
(D) 5774 seconds
Answer : D

Question. A fruit seller had 240 pears. 36 of them were bad. The remaining pears were sold at 3 for ₹ 5. How much did he collect from the sale ?
(A) ₹ 410
(B) ₹ 340
(C) ₹ 300
(D) ₹ 450
Answer : B

Question. Dhruv and Hemant had 60 marbles altogether. After Hemant gave 1/6 of his marbles to Dhruv, Dhruv had twice as many marbles as Hemant. How many marbles had Dhruv at first ?
(A) 30
(B) 24
(C) 36
(D) 25
Answer : C

Question. Reeta had just enough money to buy exactly 15 exercise books. She bought 8 exercise books which cost ₹ 17.5 each. How much money she had for 15 exercise books?
(A) ₹ 262.5
(B) ₹ 525.75
(C) ₹ 280.5
(D) ₹ 245.5
Answer : A

Question. A car travelled 384 kms in 6 hours. How far did it travel in 4 hours ?
(A) 96 kms
(B) 576 kms
(C) 256 kms
(D) 384 kms
Answer : C

Question. Megha has holidays on every second and fourth Saturday of a month. On which dates she has holidays in January 2013?

(A) 1st and 15th
(B) 8th and 29th
(C) 1st and 22nd
(D) 12th and 26th
Answer : D