Algebraic Expression

IMPORTANT

Algebraic Expression: Overview

This topic covers concepts, such as, Algebraic Expressions in One Variable, Linear Algebraic Expressions, Solution of an Algebraic Equation & Algebraic Equations in One Variable etc.

Important Questions on Algebraic Expression

HARD
IMPORTANT

If X=2+23+(23)2, then find the value of X3-6X2+6X.

MEDIUM
IMPORTANT

Given t=2+43+23, find the value of t3-6t2+6t-2.

EASY
IMPORTANT

If x+1x2=3, then the value of x206+x200+x90+x84+x18+x12+x6+1 is _____.

MEDIUM
IMPORTANT

The preparation of ether by which of the following method is not considered suitable?

MEDIUM
IMPORTANT

The number of oxygen atoms in 4.4  gram of C O 2 is
(Given that atomic mass  C and O are 12 and 16 g/mol )

EASY
IMPORTANT

In the process of extraction of gold,
[X]+Zn[Y]+Au

HARD
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How many of the following given in the box are included under downstream processing?

Culturing of host cell at large scale; Addition of preservatives; Strict quality testing; Expression of protein; Purification; Drug testing 

EASY
IMPORTANT

If a pair of linear equations given by a1x+b1y+c1=0 and a2x+b2y+c2=0 has a unique solution, then which of the following is true?

HARD
IMPORTANT

 The radius of a cylindrical wire is measured by screw gauge is 1.25 mm. The length of wire is 25.0 cm and the mass of wire is 12 g. The density of wire is  

MEDIUM
IMPORTANT

The maximum horizontal range of a projectile is 400 m. The maximum height attained by it will be

HARD
IMPORTANT

400 gram 20% weight/weight solution on cooling gives 30 gram precipitate then find out percentage weight/weight of remaining solution.

HARD
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Which of the following answers indicate the dominant carbon fixation enzyme in each of the two cells?

EASY
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If a2=by+cz; b2=cz+ax; c2=ax+by; the the value of xa+x+yb+y+zc+z

EASY
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Solving equation m+m=6/25 the value of 'm' works out to

EASY
IMPORTANT

If x=3+13 then x-12642x-1x-233=

EASY
IMPORTANT

The free fall of an object is possible only in

HARD
IMPORTANT

Assume that there is a tunnel in the shape of a circular arc through the earth. Wall of the tunnel is smooth. A ball of mass ' m ' is projected into the tunnel at A with speed ' v '. The ball comes out of the tunnel at B and escapes out of the gravity of earth. Mass and radius of earth are M and R respectively and radius of circular shaped tunnel is also R.

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HARD
IMPORTANT

An electron moves around another charge in closed orbit. The de-Broglie wavelength of electron varies cyclically between two values λ1 and λ2 with λ1>λ2. Which of the following statements are true :-

HARD
IMPORTANT

Match the following columns.

  Bone   Number
(1) Skull 1. 24
(2) Vertebrae 2. 60
(3) Ribs 3. 22
(4) Sternum 4. 1
(5) Pectoral girdles 5. 2
(6) Arms 6. 4
(7) Ear ossicles 7. 6
(8) Pelvic girdles 8. 33

The correct pairing sequence is:

HARD
IMPORTANT

The springs are identical and initially relaxed. The block is pushed to left and released.

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