IMO Level 1- Mathematics Olympiad (SOF) Class 3: Questions 136 - 138 of 582

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Question 136

Question

MCQ▾

Mr. Pandya wrote a two digit number on the blackboard. Two student Rajat and Riya said the following about number:

Rajat: It is the predecessor of least 3 digit number

Nensi: It is having same two digits

What is the number, if both the students said the truth?

Choices

Choice (4)Response

a.

10

b.

95

c.

11

d.

99

Question 137

Question

MCQ▾

The chart shows the number of plants produced on a farm in the first three months of the year.

Showing Table of Number of Plants Produced on Farm in the First Three Months the Year
MonthNumbers of flowers
January5,310
February4,320
March2,220

Which of the following statement is true?

  1. The number of plants produced in February were less than in March
  2. The number of plants produced in January were more than in February
  3. The number of plants produced in March were more than in January
  4. The number of plants produced in January and February were same.

Choices

Choice (4)Response

a.

Only 4

b.

Only 2

c.

1,2

d.

All of the above

Question 138

Question

MCQ▾

A girl collects the ball from the basket containing number from 1 to 100. It is found that the number of balls is 20 less than the highest two digit number. How many number of balls her collect?

Choices

Choice (4)Response

a.

119

b.

79

c.

49

d.

29