# IMO- Mathematics Olympiad (SOF) Class 7: Questions 486 - 490 of 1012

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## Question number: 486

MCQ▾

### Question

A school invited 500 parents of students for meeting. Of the parents invited, 445 attended. What percent of parents invited attended for meeting?

### Choices

Choice (4) Response

a.

75%

b.

56%

c.

89%

d.

87%

## Question number: 487

MCQ▾

### Question

There are 8 marbles in a box with numbers 1 to 8 marked on them. What is the probability of drawing a marble with number 2?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 488

MCQ▾

### Question

Four bells toll at intervals of 54 seconds, 46 seconds and 34 seconds respectively. They start ringing together at a particular time. They next toll together after ________.

### Choices

Choice (4) Response

a.

5 hours 51 minutes 54 seconds

b.

6 hours 51 minutes 54 seconds

c.

5 hours 15 minutes 45 seconds

d.

6 hours 52 minutes 55 seconds

## Question number: 489

MCQ▾

### Question

I was sitting alone in a park. After a while there came an old man followed by an old lady. They were followed by two couples who were accomplished by a child each. What was the number of total persons present in the park?

### Choices

Choice (4) Response

a.

10

b.

11

c.

9

d.

8

## Question number: 490

MCQ▾

### Question

Ishika and her grandfather both had birthdays last week. The sum of their ages is 100 years. Her grandfather’s age is 4 times Ishika’s age. How old is Ishika?

### Choices

Choice (4) Response

a.

22 years

b.

25 years

c.

20 years

d.

16 years