[2] The average of 4 values is 20 and when a quantity is added to each value the average is 22. Find the

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The average of 4 values is 20 and when a quantity is added to each value the average is 22. Find the quantity.

Additional Questions

Which of the following are correct?
(i) Work = Force x Displacement
(ii) Power = work / Time
(iii) Force = Mass x Velocity
(iv) Acceleration = Velocity/Time

Answer

Why the wings of an aeroplane are shaped with lower surface being flat and the upper surface being curved?

Answer

Match the folloing:

Famous Indian Scientist	Their Contribution
(a) C.V. Raman	1. Ultra Short Radio Waves
(b) J.C. Bose	2. Thermal Ionization
(c) M.IN. Saha	3. Quantum Statistics
(d) S.N. Bose	4. Inelastic Scattering of Light

(a) (b) (c) (d)

Answer

Which one of the following is not an allotrope of carbon?

Answer

Match List I with List II, select the correct answer using the codes given in the options:

List I	List II
(a) First Generation Pesticides	1. Pheromones
(b) Second Generation Pesticides	2. Juvenile Hormones
(c) Third Generation Pesticides	3. Pyrethriins
(d) Fourth Generation Pesticides	4. Organo phosphates

Answer

Match the following:

(a) Castor oil	1. Sesamun indicum
(b) Gingley oil	2. Azadirachta indica
(c) Neem oil	3. Arachis hypogea
(d) Groundnut oil	4. Ricinus communis

Answer

Which one of the following is an example for X-linked chromosome inheritance?

Answer

What is the other name for Leprosy?

Answer

Name the visually challenged person who got selected in 2015 Civil Service Examination

Answer

The device which can store more data among the following is

Answer

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