Recent questions tagged easy

What is the negation of the statement: 2 is the only even prime number?

asked Jan 17, 2014 by thanvigandhi_1

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Which is a false statement?

asked Jan 17, 2014 by thanvigandhi_1

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What is the negation of the statement: 6 is irrational?

asked Jan 17, 2014 by thanvigandhi_1

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What is the negation of the statement: Opposite sides of a rectangle have same length?

asked Jan 17, 2014 by thanvigandhi_1

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What is the negation of the statement: Jaipur is a city?

asked Jan 17, 2014 by thanvigandhi_1

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Which of the following is not a statement?

asked Jan 17, 2014 by thanvigandhi_1

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Which of the following is not a statement?

asked Jan 17, 2014 by thanvigandhi_1

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Which of the following is a statement?

asked Jan 17, 2014 by thanvigandhi_1

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What is the truth value of "4 is even and 8 is odd."?

asked Jan 17, 2014 by thanvigandhi_1

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The statement $ "x \gt 5\: or\: x \lt 3"$ is true if x equals

asked Jan 17, 2014 by thanvigandhi_1

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When Y = 3, which of the following is FALSE?

asked Jan 17, 2014 by thanvigandhi_1

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Sum of squares of first n natural numbers exceeds their sum by 330, then n =

asked Jan 17, 2014 by yamini.v

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If a, b and c are in H.P, then a/(b+c), b/(c+a), c/(a+b) are in

asked Jan 17, 2014 by yamini.v

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If arithmetic, geometric and harmonic means between two positive real numbers is A, G and H respectively, then, which of the following is true?

asked Jan 17, 2014 by yamini.v

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If Shelly does not like John, what is the truth value of the statement "Shelly likes Mike and she likes John."?

asked Jan 17, 2014 by thanvigandhi_1

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Which of the following is the converse of the statement: $"If x>4$, then $x+2>5"$?

asked Jan 17, 2014 by thanvigandhi_1

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Which of the following statements is true?

asked Jan 17, 2014 by thanvigandhi_1

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In which of the following statements is the $"\text{or}"$ inclusive?

asked Jan 17, 2014 by thanvigandhi_1

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What is the negation of the statement - All triangles are not Equilateral triangles.

asked Jan 17, 2014 by thanvigandhi_1

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What is the negation of the statement- “Chennai is the capital of Tamil Nadu”.

asked Jan 17, 2014 by thanvigandhi_1

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The sum of n terms of the infinite series $1.3^2$+$2.5^2$+$3.7^2$+-------$\infty$ is given by

asked Jan 17, 2014 by yamini.v

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Which of the following sentences is a statement?

asked Jan 17, 2014 by thanvigandhi_1

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A convex lens of focal length 40 cm is kept in contact with a concave lens of focal length 25 cm. What is power of this combined lens system.

asked Jan 17, 2014 by meena.p

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Which of the following sentences is a statement ?

asked Jan 17, 2014 by thanvigandhi_1

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A light enters a transparent glass slab of refractive index $\mu=\large\frac{3}{2} $. The reflected ray and refracted ray are mutually perpendicular, The angle of incidence is

asked Jan 17, 2014 by meena.p

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A thin prism of angle $8^{\circ}$ produces a deviation of $4 ^{\circ} [\delta =4^{\circ}]$ What is the refractive index of the material of the prism.

asked Jan 17, 2014 by meena.p

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The wave length of light in 1st liquid is $2500 \;\mathring{A}$, and that in 2nd liquid is $5000\; \mathring{A}$, What is the critical angle of 1st liquid with respect to 2nd liquid.

asked Jan 17, 2014 by meena.p

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Probability of getting positive integral roots of the equation $ x^2-n=0$ for the integer $ n \: \: \: 1 \leq n \leq 40$ is

asked Jan 16, 2014 by thanvigandhi_1

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If X is a Poisson variate such that $ P(X=1)=P(x=2)$ the $P(x=4)$ is equal to

asked Jan 16, 2014 by thanvigandhi_1

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A fair die is tossed eight times. The probability that a third six is observed on the eight throw is

asked Jan 16, 2014 by thanvigandhi_1

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A swimmer is swimming at a depth of 12 m below the surface. A bird flying in the sky appears 36 m directly above his eyes. At what height is the bird is actually flying from the surface of water

asked Jan 16, 2014 by meena.p

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Refractive index for a piece of transparent material is greatest for

asked Jan 16, 2014 by meena.p

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Position of object (u) reflected from concave varies from $0$ to $\infty$ which of the graph represents the variation of object distance (v) with respect to (u)

asked Jan 16, 2014 by meena.p

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A glass slab of refractive index $1.5$ and thickness $3\;cm$ is placed on a black dot on a piece of paper. A person looks at the mark from a height of $8\; cm $ above it. The dot will appear at a distance.

asked Jan 16, 2014 by meena.p

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A ray of light is incident from air on a surface of medium at an angle of $60^{\circ}$. The angle of refraction in the medium is $ 30^{\circ}$ what will be the velocity of light in the medium.

asked Jan 16, 2014 by meena.p

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A ray of light is incident on a rectangular glass block at $45^{\circ}$ on glass- air interface. The refractive index of glass is $\sqrt 2$. Then

asked Jan 16, 2014 by meena.p

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light travels through a glass of refractive index $\mu =1.5 $ of thickness $4 mm$. What is the time taken for the light to cross it

asked Jan 16, 2014 by meena.p

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A light wave has wavelength $6000 \mathring{A}$ in vacuum. The wavelength of this light when it passes through a certain glass of refraction index $(\mu =1.5 ) $ is

asked Jan 16, 2014 by meena.p

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Wavelength of a colour of light for air is $6000\;\mathring{A}$ and in water the wavelength is $4500\;\mathring{A}$. What is the speed of light in water.

asked Jan 16, 2014 by meena.p

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Image formed by a concave mirror of is three times of the object Focal length of the mirror is 6 cm. Then the object distance is

asked Jan 16, 2014 by meena.p

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An object of length 3 cm is placed on the principle axis of a concave mirror of focal length f at a distance of 4f. The length of the image will be :

asked Jan 16, 2014 by meena.p

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Four dice are rolled. The number of possible outcomes in which at least one dice shown 2 is

asked Jan 15, 2014 by thanvigandhi_1

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The probability that the same number appear on throwing three dice simultaneously is

asked Jan 15, 2014 by thanvigandhi_1

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From a pack of 52 cards, two cards are drawn at random. Then the probability that one is a king and the other is a queen is

asked Jan 15, 2014 by thanvigandhi_1

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The probability for a razor blade to be defective is 0.002. The blades are in packet of 10. The number of packets containing no defective blades in a stock of 10,000 packet is

asked Jan 15, 2014 by thanvigandhi_1

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For normal distribution the third moment about the mean is

asked Jan 15, 2014 by thanvigandhi_1

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Under a normal curve mean $ \pm 3\: \sigma $ covers an area equal to

asked Jan 15, 2014 by thanvigandhi_1

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A concave mirror of focal length f(in air) is immerssed in water $(\mu =\large\frac{4}{3} ) $. The focal length of mirror in water will be

asked Jan 15, 2014 by meena.p

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The mean of Poisson's distribution with parameter m is

asked Jan 15, 2014 by thanvigandhi_1

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Which one of the following statement is true.

asked Jan 15, 2014 by meena.p

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