# IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 899 - 903 of 968

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## Question number: 899

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MCQ▾

### Question

What is more favorable for a buyer- discount series P of , and or a discount series Q of ?

### Choices

Choice (4) Response

a.

Q

b.

P

c.

Question does not provide sufficient data or is vague

d.

None of the above

## Question number: 900

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MCQ▾

### Question

The incomes of A, B and C are in the ratio and their spending are in the ratio. If A saves of his income, then the savings of are in the ratio________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 901

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MCQ▾

### Question

A number x is selected from the number 1,2 & 3 and then a second number y is randomly selected from the numbers 1,4 & 9. What is the probability that the product xy of the two numbers will be less than 9?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 902

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MCQ▾

### Question

The average of five consecutive natural number is m. If the next three natural numbers are also included, how much more than m will the average of these 8 numbers be?

### Choices

Choice (4) Response

a.

1

b.

2

c.

1.4

d.

1.5

## Question number: 903

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MCQ▾

### Question

Radhika draws the figure of an airplane as given in the figure. Here the wings ABCD and GHIF forms a parallelogram. The tail DEF is an isosceles triangle, the cockpit CKI is a semicircle, and middle-part DCIF is a square. The measurements (in cms) are given in the figure. The area of the plane figure if is________.

### Choices

Choice (4) Response

a.

b.

c.

d.