Number Theory — Square Roots Mock Tests

20 questions available

Number Theory — Square Roots Mock Test 1

Questions: 20

Sample Questions

SAT SAT Math

What is the value of √81?

A 7

B 8

C 9

D 10

Class 11 Chemistry

A mixture contains aniline and nitrobenzene. Which method is best for separating aniline by steam distillation?

A Aniline is volatile in steam and immiscible with water

B Aniline has a lower boiling point than water

C Nitrobenzene is soluble in steam

D Aniline reacts with steam to form a volatile compound

BITSAT Logical Reasoning

Find the next term: 2, 6, 12, 20, 30, ?

A 48

B 42

C 44

D 40

JEE Advanced Physics

In Young double slit experiment, a thin slab of refractive index mu and thickness t is placed in front of one of the slits. The central maximum shifts by a distance equal to one fringe width beta. The thickness t is:

A lambda/mu

B lambda/(mu+1)

C lambda·mu/(mu-1)

D lambda/(mu-1)

Class 11 Chemistry

In the reaction: 2KMnO₄ + 16HCl → 2KCl + 2MnCl₂ + 5Cl₂ + 8H₂O, which species acts as the oxidising agent and what is the change in oxidation number of manganese?

A KMnO₄; Mn changes from +7 to +2

B HCl; Cl changes from −1 to 0

C KMnO₄; Mn changes from +7 to +4

D HCl; Cl changes from −1 to +1

SAT SAT Math

What is the value of √144?

A 10

B 11

C 12

D 13

JEE Advanced Physics

A prism of refractive index √2 has a refracting angle of 60°. The minimum angle of deviation δₘ is:

A 41.4 degrees

B 30 degrees

C 15 degrees

D 60 degrees

Class 11 Chemistry

What is the oxidation number of chromium (Cr) in K₂Cr₂O₇?

A +7

B +6

C +3

D +12

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