# Mathematics (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 90 - 96 of 112

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## Question number: 90

» Mathematics » Number Systems

MCQ▾

### Question

The sum of any three distinct natural numbers arranged in ascending order is 200 such that the second number is a perfect cube. How many possible values are there for this number?

### Choices

Choice (4) Response

a.

4

b.

2

c.

3

d.

1

## Question number: 91

» Mathematics » Basic Geometry

MCQ▾

### Question

ABCD is a quadrilateral whose diagonals intersect each other at the point O such that OA = OB = OD. If ∠OAB = 30°, then the measures of ∠ODA is

### Choices

Choice (4) Response

a.

60°

b.

90°

c.

45°

d.

30°

## Question number: 92

» Mathematics » Arithmetic

MCQ▾

### Question

The value of the expression is

### Choices

Choice (4) Response

a.

3

b.

2

c.

-2

d.

4

## Question number: 93

» Mathematics » Number Systems

MCQ▾

### Question

If the digits of a three-digit number are reversed, then the number, so obtained is less than the original number by 297. If the sum of the digits of the number is 8 and its hundred’s digit has the largest possible value, then the ten’s digit of the number is

### Choices

Choice (4) Response

a.

0

b.

1

c.

2

d.

3

## Question number: 94

» Mathematics » Statistics

MCQ▾

### Question

For the data 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, …, 9, 9, the product of mean and mode equals to

### Choices

Choice (4) Response

a.

9

b.

285

c.

57

d.

45

## Question number: 95

» Mathematics » Number Systems

MCQ▾

### Question

If the sum of three consecutive odd numbers is a perfect square between 200 and 400, then the root of this sum is

### Choices

Choice (4) Response

a.

16

b.

15

c.

18

d.

19

## Question number: 96

» Mathematics » Number Systems

MCQ▾

### Question

If aabb is a four-digit number and also a perfect square, then the value of a + b is

### Choices

Choice (4) Response

a.

9

b.

10

c.

12

d.

11

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