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Dev can hit a target 3 xx in 6 shorts Pawan can hit the target 2 xx in 6 shorts and Lakhan can hit the target 4 xx in 4 shorts. What is the probability that at least 2 shorts hit the target (2)/(3) (b) (1)/(3) (c) (1)/(2) (e) None of these

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A die is thrown 3 times. Getting a 3 or 6 on the top face is considered success. Then the probability of at least 2 successes is

A sphere of mass m and radius R is kept on a rough horizontal floor. Constant force Facts at the top point of sphere along tangent. If there is sufficient friction on the floor to support pure rolling then calculate acceleration of sphere.

The electric potential at a distance of 3m on the axis of a short dipole of dipole moment 4 xx 10^(-12) coloumb -metre is

A ball is dropped from the top of a building. The ball takes 0.5 s to pass the 3 m length of a window some distance from the top of the building. Find the distance between the top of the building and top of the window

The angle of elevation of the top of a tower at a distance of 120 m from a point A on the ground is 45^(@) . If the angle of elevation of the top of a flagstaff fixed at the top of the tower, at A is 60^(@) , then find the height of the flagstaff. [Use sqrt(3) = 1.732 .]

For the circuit shown, a shorting wire of negligible resistance is added to the circuit between points A and B . When this shorting wire is added, bulb 3 goes out. Which bulb (s) in the circuit brighten ? All bulbs are identical.