Statistics & Probability [UIMO (Unified Int. Mathematics Olympiad) Class 10]: Questions 1 - 3 of 8

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Question 1

Appeared in Year: 2021

Question MCQ▾

1. The tournament will start a month after today.

2. Today is January 31.

Which of the following conclusion can be deduced from these two statements?

Choices

Choice (4)Response

a.

There are less than 29 days before the tournament begins

b.

Tournament will start on March 2

c.

There are at least 28 days before the tournament begins.

d.

There are 28 days before the tournament begins.

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Question 2

Appeared in Year: 2018

Question MCQ▾

Five years ago, a father՚s age was seven times his sons age. Five years from now, the fathers age will be thrice the son՚s age. Based on this information select the present ages of father and son.

Choices

Choice (4)Response

a.

Son՚s present age is 10 years

b.

Son՚s present age is 15 years

c.

Father՚s present age is 40 years

d.

Both a. and c. are correct

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Question 3

Appeared in Year: 2021

Question MCQ▾

John has 12 grandsons and 8 granddaughters. if each son cl John has 2 daughters and 2 sons and each daughter of John has only 2 sons, then which of the following options is true?

Choices

Choice (4)Response

a.

John has 3 sons and 4 daughters

b.

John has 4 sons and 2 daughters

c.

John has 3 sons and 3 daughters

d.

John has 2 sons and 4 daughters

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