# Mathematics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 80 - 84 of 224

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## Question number: 80

» Mathematics » Rational Numbers

MCQ▾

### Question

20 L of a mixture contains milk and water in the ratio 5: 3. If 4 L of this mixture are replaced by 4 L of milk, the ratio of milk to water in the new mixture will become

### Choices

Choice (4) Response

a.

9: 7

b.

8: 3

c.

4: 6

d.

7 : 3

## Question number: 81

» Mathematics » Statistics

MCQ▾

### Question

The mean of a set of number is x. If each number is divided by 3, then the new mean is

### Choices

Choice (4) Response

a.

b.

x

c.

3x

d.

x + 3

## Question number: 82

» Mathematics » Basic Geometry

MCQ▾

### Question

In figure , if and , then find the value of x.

### Choices

Choice (4) Response

a.

36°

b.

96°

c.

48°

d.

Question does not provide sufficient data or is vague

## Question number: 83

» Mathematics » Basic Geometry

MCQ▾

### Question

In the given figure PT touches the circle with center O at R. Diameter SQ when produced meet PT at P. If ⦟SPR = x and ⦟QSR = y, then x + 2y is equal to

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

## Question number: 84

» Mathematics » Basic Geometry

MCQ▾

### Question

In the given figure and . The values of x, y, z and t are, respectively

### Choices

Choice (4) Response

a.

60,75,75,60

b.

60,70,60,70

c.

50,75,75,65

d.

60,60,70,70

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