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When a bicycle is in motion, the force of friction exerted by the ground on the two wheels is such that it acts
A certain radioactive element A, has a half life = t seconds. In (t/2) seconds the fraction of the initial quantity of the element so far decayed is nearly
A radioactive element x has an atomic number of 100.It decays directly into an element y which decays directly into element z. In both processes a charged particle is emitted. Which of the following statements would be true?
If the sum of the roots of the equation ax2 + bx + c=0 is equal to the sum of the squares of their reciprocals then a/c, b/a, c/b are in
A man speaks the truth 3 out of 4 times. He throws a die and reports it to be a 6. What is the probability of it being a 6?
The maximum KE of the photoelectron emitted from a surface is dependent on
Which of the following is not an essential condition for interference
How many grams of NaOH will react with 0.2 equivalent of HCl?
In ReimerTiemanns reaction, the reaction intermediate is
If the sum of n terms of two series of A.P are in the ratio 5n+4:9n+6. Find the ratio of their 13th Terms
If the letters of the word Rachit are arranged in all possible ways and these words are written out as in a dictionary, what is the rank of the word Rachit.
How long will a train 100m long travelling at 72kmph take to overtake another train 200m long travelling at 54kmph
What is the product of the irrational roots of the equation (2x1)(2x3)(2x5)(2x7)=9?
Which of the following parameters is the same for molecules of all gases at a given temperature?
A solid is completely immersed in liquid. The force exerted by the liquid on the solid will
An electron is injected into a region of uniform magnetic flux density with the components of velocity parallel to and normal to the flux.What is the path of the electron?
A constant voltage is applied between the 2 ends of a uniform metallic wire. Some heat is developed in it. The heat developed is doubled if
The shape of a spot of light produced when bright sunshine passes perpendicular through a hole of very small size is
Select the alternative that logically follows from the two given statements.
Q. Some forms are books
All books are made of paper
Select the alternative that logically follows from the two given statements.
Q. All toffees are chocolates
Some toffees are not good for health
Following questions are based on letters analogy. First pair of letters should have the same relationship as the second pair of letters or vice versa.
Q. ? : BGLQ : : YDIN : VAFK
Following questions are based on letters analogy. First pair of letters should have the same relationship as the second pair of letters or vice versa.
Q. NLO : RPS : : ? : ZXA
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