# Mathematics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 74 - 79 of 224

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## Question number: 74

» Mathematics » Trigonometry

MCQ▾

### Question

A triangle formed by the points A (2,5), B (3,8) and C (x, y). If the centroid of the triangle is (3,5), what is the coordinate of point C?

### Choices

Choice (4) Response

a.

(4,2)

b.

(2,4)

c.

(-4, -2)

d.

None of the above

## Question number: 75

» Mathematics » Simple Interest and Compound Interest

MCQ▾

### Question

A sum of money doubles itself at compound interest in 15 year. It will becomes 8 times in

### Choices

Choice (4) Response

a.

30 year

b.

40 year

c.

45 year

d.

60 year

## Question number: 76

» Mathematics » Probability

MCQ▾

### Question

When two dice are rolled together, the probability of getting an even number on one dice and a multiple of 3 on the other, is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 77

» Mathematics » Linear Equation

MCQ▾

### Question

Pooja started her job with certain monthly salary and gets a fixed increment every year. If her salary was Rs. 4200 after 3 year and Rs. 6800 after 8 year of service, then what are her initial salary and the annual increment, respectively?

### Choices

Choice (4) Response

a.

Rs. 2640, Rs. 520

b.

Rs. 2460, Rs. 520

c.

Rs. 2640, Rs. 320

d.

Rs. 2460, Rs. 320

## Question number: 78

MCQ▾

### Question

The roots of the equation are 1 and 2. The roots of the equation must be

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

## Question number: 79

» Mathematics » Basic Geometry

MCQ▾

### Question

ABCD is a square of side a, ABO is an equilateral triangle and OL is perpendicular to CD. Then area of the trapezium AOLD is

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page