Basic Mathematics (KVPY Stream-SA (Class 11) Math): Questions 125 - 129 of 164

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 265 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 200.00 or

Question number: 125

» Basic Mathematics » Arithmetic » Number Games

MCQ▾

Question

Consider an incomplete pyramid of balls on a square base having 15 layers; and having 10 balls on each side of the top layer. Then the total number N of balls in that pyramid satisfies

Choices

Choice (4) Response

a.

60000 < N < 7000

b.

4000 < N < 5000

c.

5000 < N < 6000

d.

3000 < N < 40000

Question number: 126

» Basic Mathematics » Geometry » Triangle and Properties

MCQ▾

Question

The number of values of a for which there is an isosceles triangle with sides of length Equation , Equation and Equation is –

Choices

Choice (4) Response

a.

1

b.

0

c.

2

d.

3

Question number: 127

» Basic Mathematics » Algebra » Solutions to Equations

MCQ▾

Question

If a, b, c, d are positive real numbers such that, Equation , then Equation is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 128

» Basic Mathematics » Arithmetic » Rates, Speeds and Unitary Method

MCQ▾

Question

A ladder 12 cm long is leading against a wall. The bottom of the ladder is pulled along the ground, away from the wall, at the rate of 3 cm/sec. How fast is its height on the wall decreasing when the foot of the ladder is 5 cm away from the wall?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 129

» Basic Mathematics » Geometry » Polygons With More Than 4 Sides

MCQ▾

Question

25 sphere of same size are made from melting a solid cylinder of 20 cm diameter and 9 cm height. The diameter of each sphere is:

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

f Page
Sign In