# Mathematics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 154 - 159 of 224

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## Question number: 154

» Mathematics » Number Systems

MCQ▾

### Question

A three-digit number has digits h, t and u (from left to right) with h > u. If the digits are reversed and the number thus formed is subtracted from the original number, the unit’s digit in the resulting number is 4. What are the other two digits of the resulting number from left to right?

### Choices

Choice (4) Response

a.

5 and 9

b.

5 and 4

c.

9 and 5

d.

4and 5

## Question number: 155

» Mathematics » Basic Geometry

MCQ▾

### Question

AOBC is a rectangle whose three vertices are vertices A (0,3), O (0,0) and B (5,0). The length of its diagonal is

### Choices

Choice (4) Response

a.

4

b.

5

c.

d.

3

## Question number: 156

» Mathematics » Probability

MCQ▾

### Question

From 1 to 100 numbers, 3 numbers are selected at random, what is the probability that the numbers selected will have an odd sum?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 157

» Mathematics » Trigonometry

MCQ▾

### Question

If and , α and β lies between 0 and , then the value of tan 2α is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 158

» Mathematics » Percentage

MCQ▾

### Question

The difference between a discount of 40 % on Rs. 1000 and two successive discounts of 35 % and 5 % on the same amount is

### Choices

Choice (4) Response

a.

Rs. 18.00

b.

Rs. 15.50

c.

Rs. 16.50

d.

Rs. 17.50

## Question number: 159

» Mathematics » Arithmetic Progessions

MCQ▾

### Question

If x + =, then the value of x3 + is

### Choices

Choice (4) Response

a.

7

b.

5

c.

2

d.

8

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