# Mathematics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 6 of 224

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## Question number: 1

» Mathematics » Probability

MCQ▾

### Question

The mid value of a class interval is 42. If the class size is 10, then the upper and lower limits of the class are

### Choices

Choice (4) Response

a.

47.5 and 37.5

b.

47 and 37

c.

37.5 and 47.5

d.

37 and 47

## Question number: 2

» Mathematics » Arithmetic

MCQ▾

### Question

A man runs upstream 13 km and downstream 28 km taking 5 h time for each side. Then, the velocity of the current is

### Choices

Choice (4) Response

a.

1.5 km/h

b.

2.5 km/h

c.

2 km/h

d.

None of the above

## Question number: 3

» Mathematics » Rational Numbers

MCQ▾

### Question

If x + 5: 3x + 4 is the duplicate ratio of 5: 8, then the value of x is

### Choices

Choice (4) Response

a.

22

b.

18

c.

20

d.

16

## Question number: 4

» Mathematics » Trigonometry

MCQ▾

### Question

If ABCD is a quadrilateral whose diagonals AC and BD intersects at O, then which of the given option is correct?

### Choices

Choice (4) Response

a.

(AB + BC + CD + DA) = 2 (AC + BD)

b.

(AB + BC + CD + DA) < (AC + BD)

c.

(AB + BC + CD + DA) > (AC + BD)

d.

(AB + BC + CD + DA) < 2 (AC + BD)

## Question number: 5

» Mathematics » Arithmetic

MCQ▾

### Question

Two planes start from a city and fly in opposite directions, one averaging a speed of 40 km/h greater than the others. If they are 3400 km apart after 5 h, the average speeds, respectively are

### Choices

Choice (4) Response

a.

300, 340 km/h

b.

250, 290 km/h

c.

330, 370 km/h

d.

320, 360 km/h

## Question number: 6

MCQ▾

### Question

Sum of the roots of the equation x 2 + 5x + 6 = 0 is

### Choices

Choice (4) Response

a.

4

b.

-4

c.

-5

d.

5

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