IMO - Mock Test

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IMO - Mock Test - 5

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Weekly Quiz Competition

Question 1
1.15 / -0

Find the odd number from the given series:

2, 4, 6, 8, 9, 10, 12, 14

A
6

B
8

C
9

D
12

Solution

All the numbers in the list are multiples of 2, except 9, which is a multiple of 3.
Question 2
1.15 / -0

In the series below, find the next number:

123, 234, 345, 456, 567, ____

A
568

B
600

C
678

D
687

Solution

123 + 111 = 234
234 + 111 = 345
345 + 111 = 456
456 + 111 = 567
567 + 111 = 678
Thus, answer option 3 is correct.
Question 3
1.15 / -0

From the given options, find a figure in which the question figure is embedded.

A

B

C

D

Solution

Hence, option (3) is correct.
Question 4
1.15 / -0

What day will be tomorrow, if yesterday was Friday?

A
Thursday

B
Monday

C
Saturday

D
Sunday

Solution

As yesterday was Friday, today is Saturday.
Thus, tomorrow will be Sunday.
Question 5
1.15 / -0

Six friends are sitting in a row facing you to get their photograph clicked by you as shown below:

Rajveer, Sachin, Rohan, Rohit, Rahul, Pulkit

Rahul is sitting ____ from the left of Sachin.

A
1^st

B
2^nd

C
3^rd

D
4^th

Solution

If all the persons are facing you, then

Rahul is sitting 3^rd from the left of Sachin.
Question 6
1.15 / -0

This is the calendar for September 2015. If Rajesh is starting his training for shooting on day 5^th of the month and his training will be every 6^th day, which will be the last date of his training of the month?

A
29^th September

B
26^th September

C
30^th September

D
None of these

Solution

Rajesh is starting his training from 5^th September, so his training days will be as follows:
11, 17, 23, 29
So, 29^th September will be the last day of his training.
Question 7
1.15 / -0

Directions: In the following question, there is a relationship between the two terms to the left of (: :) and the same relationship holds between the two terms to its right, of which one term is missing. Choose the missing term from the given options.

3 : 9 : : 4 : ?

A
8

B
11

C
12

D
13

Solution

In the given question, on the left hand side of : : we have
3 : 9 which means 3 : 3 × 3
Or
Number : Number × 3
Accordingly, on the right hand side we have
4 : 4 × 3
Or
4 : 12
Hence, option 3 is correct.
Question 8
1.15 / -0

What is the smallest 4-digit whole number that you can make using the following digits?

5, 6, 3, 0

A
0653

B
3065

C
3560

D
3056

Solution

For the smallest whole number, we require the smallest digit first.
But we cannot use the smallest digit as '0' because it will form a 3-digit number.
So, the required answer is 3056.
Question 9
1.15 / -0

Out of the given numbers, which two numbers need to be added to make a sum of 130?

84, 121, 16, 09, 66

A
84 and 121

B
121 and 16

C
121 and 09

D
66 and 16

Solution

Two numbers need to be added to make a sum of 130 are '121' and '09'.
130 = 121 + 09
Question 10
1.15 / -0

What is the mirror image of the following figure?

A

B

C

D

Solution
Question 11
1.15 / -0

The digit 9 in the number 215973 is at which place?

A
Hundreds

B
Thousands

C
Ones

D
Ten thousands

Solution

The place value of digit 9 is hundreds.
Question 12
1.15 / -0

Sharry buys two books for Rs. 532. How much total money will she need, if she wants to buy seven books?

A
Rs. 3724

B
Rs. 2037

C
Rs. 1862

D
Rs. 1792

Solution

Cost of two books = Rs. 532
Cost of one book = Rs. (532/2) = Rs. 266
Cost of seven books = Rs. (266 × 7) = Rs. 1862
Question 13
1.15 / -0

Length of a pencil is 10 cm and there is another pencil of length 90 mm. What is the total length of both the pencils in mm?

A
100 mm

B
109 mm

C
190 mm

D
1090 mm

Solution

Length of the first pencil = 10 cm = 10 × 10 = 100 mm
Length of the second pencil = 90 mm
Total length = 90 + 100 = 190 mm
Question 14
1.15 / -0

Jamie's house is 946 m away from Mary's house. Find the distance between the two houses in km.

A
0.0946 km

B
0.946 km

C
9.46 km

D
9460 km

Solution

1 km = 1000 m
Distance = 946 m
946 ÷ 1000 = 0.946 km
Question 15
1.15 / -0

How will you write "twenty three thousand, four hundred and five" in digits?

A
32,405

B
23,450

C
23,504

D
23,405

Solution

"Twenty three thousand, four hundred and five in digits is written as follows:
23,000 + 400 + 5 = 23,405
Question 16
1.15 / -0

17 photo frames are to be put in a row. Length of 1 frame is 6 cm. What is the total length of 17 frames?

A
11 cm

B
23 cm

C
101 cm

D
102 cm

Solution

Length of 1 frame = 6 cm
Total number of frames = 17
Length of 17 frames = 17 × 6 cm = 102 cm
Question 17
1.15 / -0

The weights of two students are 45 kg and 51 kg. What is the total weight of both the students?

A
92 kg

B
94 kg

C
96 kg

D
98 kg

Solution

Weight of student 1 = 45 kg
Weight of student 2 = 51 kg
Total weight of both the students = (45 + 51) kg = 96 kg
Question 18
1.15 / -0

Ajay multiplied a number by 7 and got the answer as 560. Find the number.

A
8

B
60

C
70

D
80

Solution

According to the question:
___ × 7 = 560
80 × 7 = 560
Question 19
1.15 / -0

Anil is wearing his birthday cap shown below. What is the shape of his birthday cap?

A
Cube

B
Cone

C
Cylinder

D
Sphere

Solution

Birthday cap is in the form of a cone.
So, cone is the correct answer.
Question 20
1.15 / -0

Sam is thinking of a 3-digit number. He says, "5 is at hundreds place and 1 is at units place". Which of the following can be that number?

A
051

B
105

C
150

D
501

Solution

According to the place value chart, as 5 is at the hundreds place and 1 is at the units place, so the 3-digit number that Sam is thinking of is 501.
Question 21
1.15 / -0

Amanjot was travelling to Mumbai, and he reached there at 12:30 a.m. He had started his journey 7 hours before. Find out the time at which he started his journey by choosing the right option from the given images.

A

B

C

D
None of these

Solution

We will first write 7hours as 7:30 hours. Now, we will subtract 7:30 hours out of the time at which he reached Mumbai.
= 12:30 – 7:30 = 5:00 p.m.
So, the time at which he started his journey was 5:00 p.m.
Question 22
1.15 / -0

Bag 1 contains 60 kg of rice and bag 2 weighs 15 kg less than the weight of bag 1. Find the total quantity of rice in both the bags in grams.

A
1,35,000

B
1,00,000

C
1,05,000

D
10,500

Solution

Weight of bag 1 = 60 kg
Weight of bag 2 = 60 kg - 15 kg = 45 kg
Total weight = 60 kg + 45 kg = 105 kg
As, 1 kg = 1000 g
So, 105 kg = 105 × 1000 g = 1,05,000 g
Question 23
1.15 / -0

Ronit and his friend started planting saplings in a garden. They planted 9 rows of saplings with 7 saplings in each row. How many saplings did Ronit and his friend plant altogether?

A
63

B
40

C
32

D
16

Solution

They planted 9 rows of saplings with 7 saplings in each row.
So, altogether they planted 9 × 7 = 63 samplings.
Question 24
1.15 / -0

Jamie buys a milk container containing 3 litres of milk each day. How much milk does he buy in 8 days?

A
24,000 ml

B
25,000 ml

C
26,000 ml

D
28,000 ml

Solution

Litres of milk he buys in 1 day = 3 litres
Litres of milk he buys in 8 days = 3 × 8 = 24 l
1 l = 1000 ml
24 l = 24 × 1000 ml = 24,000 ml
Question 25
1.15 / -0

It takes Nishu 20 sec to ice one cupcake. How many cupcakes can she ice in 10 min?

A
30

B
40

C
60

D
200

Solution

First step is to make the units same.
1 min = 60 sec
10 min = (10 × 60) = 600 sec
Number of cupcakes iced in 20 sec = 1
Number of cupcakes iced in 600 sec = 600 ÷ 20 = 30
Question 26
1.15 / -0

Seema started watching a movie at 5:15 p.m. The movie was 2 hours and 30 minutes long. At what time would the movie finish?

A
7:45 a.m.

B
6:45 p.m.

C
7:15 p.m.

D
7:45 p.m.

Solution

The movie started at 5:15 p.m.
5:15 p.m. + 1 hour = 6:15 p.m.
6:15 p.m. + 1 hour = 7:15 p.m.
7:15 p.m. + 30 minutes = 7:45 p.m.
Therefore, movie would finish at 7:45 p.m.
Question 27
1.15 / -0

Which of the following is true?

A
2016 - 1290 = 726

B
3206 - 1256 = 1850

C
2407 - 1265 = 1042

D
Both (1) and (3)

Solution

This is the correct option as 2016 - 1290 = 726.

Question 28

1.15 / -0

Which rule has been followed in the following table from Column 1 to Column 2?

Column 1	Column 2
17	12
8	3
11	6
14	9
6	1

Number in column 1 - 9 = Number in column 2

Number in column 1 × 6 = Number in column 2

Number in column 1 - 6 = Number in column 2

Number in column 1 - 5 = Number in column 2

Solution

In the given table, the rule is to subtract 5 as-
17 - 5 = 12
8 - 5 = 3
11 - 5 = 6
14 - 5 = 9
6 - 5 = 1

Question 29
1.15 / -0

What is the above shape known as?

A
Cone

B
Cube

C
Cylinder

D
Cuboid

Solution

The given shape is a cylinder.
Question 30
1.15 / -0

How would you write "nine thousand, nine hundred and one" in figures?

A
90,00,901

B
9901

C
9,00,901

D
9,09,100

Solution

Nine thousand, nine hundred and one is 9000 + 900 + 1 = 9901
Question 31
1.15 / -0

If A × A = 49, A + B = 19, then find the value of A × B.

A
19

B
68

C
82

D
84

Solution

As,
A × A = 49 = 7 × 7
So, A = 7
Now, A + B = 19 and A = 7
So, B = 12
Therefore, A × B = 7 × 12 = 84
Question 32
1.15 / -0

A music academy has five rooms and in each room there are 32 students. Chahat wants to distribute 640 candies fairly between all the students of the academy. How many candies will each student get?

A
3

B
4

C
5

D
6

Solution

Number of rooms = 5
Number of students in each room = 32
Total number of students = 32 × 5 = 160
Chahat wants to distribute 640 candies fairly between all the students of the academy.
Thus, each student will get 640 ÷ 160 candies.
640 ÷ 160 = 4 candies
Question 33
1.15 / -0

Manish thinks of a number and then adds 5 to it. The answer that he gets is 14. What is the number he thought of?

A
9

B
10

C
8

D
7

Solution

Let the missing number be A.
So, according to the question,
A + 5 = 14
So, A = 14 - 5 = 9
A is equal to 9.
Question 34
1.15 / -0

Look at the number bond below, then find the answer for C + D, if C is 6 less than D.

A
8

B
10

C
12

D
14

Solution

In the given number bond,
12 + 5 + 8 × C + 2 × D = 49
17 + 8C + 2D = 49
8C + 2D = 49 - 17 = 32 ... (i)
Now, C = D - 6
So, equation (i) becomes as follows:
8(D - 6) + 2D = 32
8D - 48 + 2D = 32
10D = 32 + 48 = 80
So, D = 8
And C = D - 6 = 8 - 6 = 2
Hence, C + D = 2 + 8 = 10
Question 35
1.15 / -0

Solve the following:

A
355

B
356

C
357

D
358

Solution

Value of one hexagon= 780 ÷ 2 = 390

Value of one pentagon= 569 – 390 = 179

Value of two pentagons= 179 + 179 = 358

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Re-Attempt Weekly Quiz Competition

IMO - Mock Test - 5

Result

IMO - Mock Test - 5

Score

-

Rank

-

SHARING IS CARING

Question 1

6

8

9

12

Solution

Question 2

568

600

678

687

Solution

Question 3

Solution

Question 4

Thursday

Monday

Saturday

Sunday

Solution

Question 5

1st

2nd

3rd

4th

Solution

Question 6

29th September

26th September

30th September

None of these

Solution

Question 7

8

11

12

13

Solution

Question 8

0653

3065

3560

3056

Solution

Question 9

84 and 121

121 and 16

121 and 09

66 and 16

Solution

Question 10

Solution

Question 11

Hundreds

Thousands

Ones

Ten thousands

Solution

Question 12

Rs. 3724

Rs. 2037

Rs. 1862

Rs. 1792

Solution

Question 13

100 mm

109 mm

190 mm

1090 mm

Solution

Question 14

0.0946 km

1^st

2^nd

3^rd

4^th

29^th September

26^th September

30^th September