# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 645 - 651 of 1201

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## Question 645

Edit

### Question

MCQ▾

If and , then is:

### Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

## Question 646

Edit

### Question

MCQ▾

If two cubes of dimension 4 cm by 4 cm by 4 cm are placed side by side, what would be the dimensions of the resulting cuboid be?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 647

Edit

MCQ▾

= ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 648

Mathematics
Edit

MCQ▾

Factors of are:

### Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

## Question 649

Edit

MCQ▾

The value of is:

### Choices

Choice (4)Response

a.

b.

c.

d.

125

## Question 650

Mathematics
Edit

### Question

MCQ▾

The radius of a circle is 55 cm. Three more concentric circles are drawn inside it in such a manner that it is divided into four parts of equal area. The radius of cone of the three concentric circles is

### Choices

Choice (4)Response

a.

33 cm

b.

cm

c.

cm

d.

15 cm

## Question 651

Mathematics
Edit

### Question

MCQ▾

The pie chart diagram shows the number of participants from four countries P, Q, R and S taking part in a football tournament. Given that there are 33 participants from country Q, find the number of participants from country R.

### Choices

Choice (4)Response

a.

27

b.

84

c.

42

d.

32