RRB ALP 9th Aug 2018 Shift-2
For the following questions answer them individually
RRB ALP 9th Aug 2018 Shift-2 - Question 31
If $$\cot^4\theta+\cot^2\theta=3$$, then $$cosec^4\theta-cosec^2\theta=?$$
RRB ALP 9th Aug 2018 Shift-2 - Question 32
How many triangles are present in the following figure ?
RRB ALP 9th Aug 2018 Shift-2 - Question 33
In a computer game, a builder can build a wall in ten hours while a destroyer can demolish such a wall completely in fourteen hours. Both, the builder and the destroyer were initially set to work together on level ground. But after 7 hours the destroyer was taken out. What was the total time (in hours) taken to build the wall?
RRB ALP 9th Aug 2018 Shift-2 - Question 34
Choose the correct mirror image of the problem figure if the mirror if placed to the right of the figure.
RRB ALP 9th Aug 2018 Shift-2 - Question 37
Consider the given question and decide which of the following statements is sufficient to answer the question.
Who among P, Q, R, S and T is lightest in weight?
Statements:
1. Q weight < P and S also S weight > T
2. R weight > Q but < T
RRB ALP 9th Aug 2018 Shift-2 - Question 38
Which of the following metals is stored in kerosene oil?
RRB ALP 9th Aug 2018 Shift-2 - Question 39
The focal length of a concave mirror with a radius of curvature of 20.0 cm is:
RRB ALP 9th Aug 2018 Shift-2 - Question 40
$$\frac{2}{3}$$ of a milk-water mixture was milk. There was 21 litres of the mixture. If 4 litres of water is added to it, the percentage of milk in the new mixture will be:
