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7 men can complete a work in 52 days. In how many days will 13 men finish the same work?

20 days
13 days
7 days
28 days
Additional Questions

If $\dfrac{a}{b}=\dfrac{9}{5}$,then $ \dfrac{a+b}{a-b}=?$

Answer

Find the LCM of 45,4-81,412 and 47

Answer

Find the missing number in the following:
4242, 4254,4230, 4266, 4218, 4278,_____

Answer

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

Answer

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 ScientistTheir Contribution
(a) C.V. Raman1. Ultra Short Radio Waves
(b) J.C. Bose2. Thermal Ionization
(c) M.IN. Saha3. Quantum Statistics
(d) S.N. Bose4. 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 IList II
(a) First Generation Pesticides1. Pheromones
(b) Second Generation Pesticides2. Juvenile Hormones
(c) Third Generation Pesticides3. Pyrethriins
(d) Fourth Generation Pesticides4. Organo phosphates

Answer

Match the following:

(a) Castor oil1. Sesamun indicum
(b) Gingley oil2. Azadirachta indica
(c) Neem oil3. Arachis hypogea
(d) Groundnut oil4. Ricinus communis

Answer
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