KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Math: Questions 208 - 213 of 265

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Question number: 208

» Basic Mathematics » Algebra » Solutions to Equations

MCQ▾

Question

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

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 209

» Three Dimensional Geometry » Distance Formula- Between Points, Lines & Shapes

MCQ▾

Question

If are three points and satisfy the relations, then the locus of the point S is –

Choices

Choice (4) Response

a.

Line parallel to y axis

b.

Circle with centre origin

c.

Circle passing through origin

d.

Line parallel to x-axis

Question number: 210

» 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.

b.

c.

d.

Question number: 211

» Trigonometry » Trigonometric Functions

MCQ▾

Question

If than

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Choice (4) Response

a.

b.

c.

d.

Question number: 212

» 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.

b.

c.

d.

Question number: 213

» Basic Mathematics » Arithmetic » Ratio and Proportion

MCQ▾

Question

A bag contains 50 p, 25 p and 10 p coins in the ratio, amounting to Rs. 95. Find the numbers of coins of each type,

Choices

Choice (4) Response

a.

b.

c.

d.

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