# IMO- Mathematics Olympiad Class 7: Questions 278 - 282 of 1012

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## Question number: 278

MCQ▾

### Question

Charmi and Chesti had 777 phone cards. Chesti had twice as many phone cards as Charmi. How many phone cards did Chesti have?

### Choices

Choice (4) Response

a.

459

b.

358

c.

259

d.

258

## Question number: 279

MCQ▾

### Question

Rahul and Chirag had 5184 phone cards. Rahul had seven times as many phone cards as Chirag. How many phone cards did Rahul have?

### Choices

Choice (4) Response

a.

269

b.

858

c.

458

d.

648

## Question number: 280

MCQ▾

### Question

What is the angle between the hands of clock at 4 o’clock?

### Choices

Choice (4) Response

a.

b.

c.

d.

150°

## Question number: 281

MCQ▾

### Question

In the figure, AB is parallel to CF. DE is a straight line. Find.

### Choices

Choice (4) Response

a.

b.

c.

108°

d.

## Question number: 282

MCQ▾

### Question

When and , then which is true?

### Choices

Choice (4) Response

a.

is divisible by 3

b.

is divisible by 3

c.

is divisible by 3

d.

is divisible by 3

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