Mathematics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 108 - 113 of 218

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1042 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 108

» Mathematics » Percentage

MCQ▾

Question

140 L of a liquid contains 90 % of acid and the rest water. How much water must be added to make the water 12.5 % of the resulting mixture?

Choices

Choice (4) Response

a.

10L

b.

4L

c.

12L

d.

3.5L

Question number: 109

» Mathematics » Basic Geometry

MCQ▾

Question

With the vertices of a ABC as center three circles are described, each touching the other two circles externally. If the sides of the triangle are 9 cm, 7 cm and 6 cm. Then, the radiuses of the circles are

Choices

Choice (4) Response

a.

4, 5, 2

b.

4, 5, 6

c.

3, 2, 3

d.

All of the above

Question number: 110

» Mathematics » Quadratic Equations

MCQ▾

Question

If the roots of x 2 -Ix + m = 0 differ by 1, then

Choices

Choice (4) Response

a.

I2=4m+2

b.

I2=4m1

c.

I2=4m+1

d.

I=4m2+1

Question number: 111

» Mathematics » Trigonometry

MCQ▾

Question

In the given figure, ABCD , then which of the following is true?

Two parallel lines - AB and CD

Two Parallel Lines - AB and CD

Find the right option by observing figure

Choices

Choice (4) Response

a.

p + q - 2r = 180°

b.

p - q + r = 180°

c.

p + q + r = 180°

d.

p + q - r = 180 °

Question number: 112

» Mathematics » Basic Geometry

MCQ▾

Question

If q is the mean proportional between p and r, then p2q2+r2p2q2+r2 is equal to

Choices

Choice (4) Response

a.

p 2 q 3

b.

q 4

c.

q 3

d.

p 2 r 2 q 4

Question number: 113

» Mathematics » Basic Geometry

MCQ▾

Question

The ratio between the numbers of sides of two polygons is 2: 1 and the ratio between their interior angles is 4: 3. The numbers of sides of these polygons are, respectively

Choices

Choice (4) Response

a.

8, 4

b.

10, 5

c.

12, 6

d.

14, 7

Sign In