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What is the solution of x(x-1)(x-2)>0 ? a) 0<x<1 and x>2 b) x>0 c) x>2 d) 0<x<1 or x>2 ...

Among KO2, AlO2-, BaO2 and NO2+, unpaired electron is present in NO2+ and BaO2 KO2 and AlO2- KO2 only BaO2 only ...

 While running if we want to stop suddenly we fall down because. a) Inertia of rest b) Inertia of Motion c) data insfficient d) none ...

One gram of which of the following contains the largest number of oxygen atoms? a) O b) O2 c) O3 d) All contain the same ...

Use the following information to answer the next question. A neutral element X has 10 electrons and 12 neutrons in its atom. The atomic number of element X is a) 10 b) 12 c) 20 d) 22 ...

lim [(1+x)^(1/x) -e]/x x→0 ...

(A) ∫dx/ sin11xcosx (B) ∫ cos3x/sin11x please show the steps ...

If the 10th term of a geometric progression is 9 and 4th term is 4, then its 7th term is a) 6 b) 36 c) frac{4}{9} d) frac{9}{4} ...

What is the value of tan1tan2tan3...........tan89? ...

Which of the following element have highest oxidizing strength – a) F b) Cl c) Br d) I ...

The incorrect statement among the following is a) The first ionization potential of Al is less than the first ionization potential of Mg b) The second ionization potential of Mg is grater than the second ionization potential ...

Which one of the following is the smallest in size? a) [{N^{3 - }}] b) {O^{2 - }} c) {F^ - } d) N{a^ + } ...

The ratio of an angular speed of hours hand and seconds hand of a clock is a) 1:1 b) 1:60 c) 1:720 d) 3600:1 ...

Consider the first ionization energies of the elements whose electronic configurations corresponds to the following. (i) [He]2s22p3 (ii) [He]2s22p4 (iii) [Ne]3s23p1 (iv)[Ar]3d104s1 a) (i) b) (ii) c) (iii) d) (iv) ...

In the following compounds, *Image* The order of basicity is a) IV > I > III> II b) III > I > IV > II c) II > I > III > IV d) I > III > II > IV ...

A sphere of 4 cm radius is suspended within a hollow sphere of 6 cm radius. The inner sphere is charged to a potential 3 e.s.u. When the outer sphere is earthed. The charge on the inner sphere is a) 54 e.s.u. b) frac{1}{4}, e ...

Which of the following matches is incorrect? a) Organelle Function Presence (a) Ribosome secretion of enzymes plant and animal cell b) (b) Mitochondria site of respiration animal cell only c) (c) Chloroplast storage of cell s ...

Integral Of (a) Sec(X)+1 (B) ∫{cos(5x) + cos(4x)}/1-2cos(3X) (C) ∫ {F(x)φ'(x) + F'(x)φ(x)} / (F(x)φ(x)+1) φ(x)f(x) + 1 ...

Which one of the following has variable valency ? a) Chlorine b) Sulphur c) Iron d) Sodium ...

If ∫f(x)sinxcosxdx=lnf(x)/(b2 -a2) +c then f(x)=? ...

Solve: ax + by = 0 bx - ay = 0 a) No solution b) Infinite solutions c) x = a, y = b d) x = 0, y = 0 ...

Integral Of (a) Sec(X)+1 (B) ∫{cos(5x) + cos(4x)}/1-2cos(3X) (C) ∫ {F(x)φ'(x) + F'(x)φ(x)} / (F(x)φ(x)+1) φ(x)f(x) + 1 ...

Velocity and Speed will be equal if a) Time of motion is equal b) Distance=Displacement c) Not possible d) None ...

Which of the following is an example of a chemical change? a) melting solid gold b) burning hydrogen gas c) dissolving sugar in water d) breaking a sheet of glass ...

an {{1}^{o}} an {{2}^{o}} an {{3}^{o}} an {{4}^{o}}............ an {{89}^{o}}= a) 1 b) 0 c) infty d) ½ ...

7)The fractional representation of the noa.11343/990 b.11457/1000 c.1138/999 d.11343/999 Your Answer a Correct Answer d Your Score -1 How is that possible? Please verify the answer. ...

Out of 800 boys in a school, 224 played cricket, 240 played hockey and 336 played basketball. Of the total, 64 played both basketball and hockey; 80 played cricket and basketball and 40 played cricket and hockey; 24 played al ...

1. *Image* 2. *Image* 3. *Image* ...

An unknown cell balances 300 cm of wire in a potentiometer circuit, but the balance length reduces to 280 cm when a resistance of 28 ohm is added in parallel with the cell.A standard cell of emf 1.1V balances 220 cm on the sa ...

Which one of the following sets of quantum numbers represents an impossible arrangement? ~~~~~~~~n~~~~~~~~~~~~~l~~~~~~~~~~~~~m~~~~~~~~~~~s~ a) 3~~~~~~~~~~~~2~~~~~~~~~~~~~~2~~~~~~~~~~~frac{1}{2} b) 4~~~~~~~~~~~~~0~~~~~~~~~~~~0 ...