Instructions

For the following questions answer them individually

Question 2

An incident ray strikes a plane mirror at an angle of $$20^\circ$$ with the mirror. The angle between the incident ray and reflected ray is ............

Question 4

Two valves A and B can fill a sump in $$37\frac{1}{2}$$ minutes and 45 minutes respectively. Both valves are opened. The sump will be filled in just 30 minutes, if valve B is turned off after:

Question 6

If the velocity of a body becomes two times its initial velocity, its kinetic energy becomes times its initial kinetic energy. What is the value of n?

Question 7

The below figure is embedded in one of the four answer figures. the correct figure containing the above problem figure is:

Question 8

The average of three numbers is 6. The average of the first two is 5 while the average of the last two is 8. The three numbers are:

Question 10

If each term in the given sequence is assigned number 1, 2, 3... according to their position from the left, then the sum of the numerical values of the positions of the symbols will be .........

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