# NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension: Questions 871 - 875 of 1058

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## Question number: 871

MCQ▾

### Question

If and are the roots of the equation, then an equation whose roots are and is

### Choices

Choice (4) Response

a.

ax2- bx + c = 0

b.

cx2+ ax + b = 0

c.

bx2 + ax + c = 0

d.

cx2+ bx + a = 0

## Question number: 872

MCQ▾

### Question

The permanent magnet is made from which one of the following substances?

### Choices

Choice (4) Response

a.

Ferromagnetic

b.

Paramagnetic

c.

Diamagnetic

d.

Electromagnetic

## Question number: 873

MCQ▾

### Question

The three tribal principalities mentioned in Ashokan inscriptions of the 3rd century BC and in Kharavela inscription of the first century BC

### Choices

Choice (4) Response

a.

Ikshvakus, Vakatakas and Pandyas

b.

Cholas, Pandyas and Cheras

c.

Pallavas, Cholas and Pandyas

d.

Vakatakas, Cholas and Satvahans

## Question number: 874

MCQ▾

### Question

S1and S2 are two circles on a plane with radius 4 cm and 2 cm, respectively and the distance between their centers is 3 cm. Which one of the following statements is true?

### Choices

Choice (4) Response

a.

S1 andS2 touch each other internally

b.

S1and S2intersect in two distinct points

c.

S2lies entirely within the circle S1

d.

S1 and S2 touch each other externally

## Question number: 875

MCQ▾

### Question

Dry ice used to preserve food using non-cyclic refrigeration is the solid form of

### Choices

Choice (4) Response

a.

CO2

b.

CO

c.

NO2

d.

N2

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