# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 660 - 665 of 1201

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## Question 660

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### Question

MCQ▾

Three containers have their volumes in the ratio 3: 4: 7. They are full of mixtures of milk and water. The mixtures contain milk and water in the ratio of and respectively. The ratio of milk and water in the fourth container contains all the above three mixtures is:

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 661

Mathematics
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### Question

MCQ▾

The table shows the brand and number of mobiles sold by a shop. In pictograph, one symbol □ represents 5 mobiles. How many symbols are required to represent the number of the best-selling brand of mobiles?

 Brands of mobiles Number of mobiles Samsung 70 Motorola 35 Apple 50

### Choices

Choice (4)Response

a.

5

b.

31

c.

10

d.

14

## Question 662

Edit

MCQ▾

The value of is:

### Choices

Choice (4)Response

a.

-18

b.

27

c.

18

d.

-27

## Question 663

Edit

### Question

MCQ▾

The product of and is:

### Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question 664

Edit

### Question

MCQ▾

In a quadrilateral WXYZ, if and , then =________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 665

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### Question

MCQ▾

An article when sold at a gain of 15 % yields Rs. 45 more than when sold at a loss of 10%. Its cost price would be:

### Choices

Choice (4)Response

a.

250 Rs.

b.

270 Rs.

c.

300 Rs.

d.

350 Rs.