BPSC PRELIMS MATHS QUIZ-8

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Question 1:

In $\triangle \mathrm{ABC}$, if $\angle \mathrm{A}=90^{\circ}, \mathrm{a}=25$ cm, $\mathrm{b}=7$ cm, then What will be the value of $\tan \mathrm{B}$?

Question 2:

A mixture of wheat and barley contains 80 % of wheat. How much wheat should be added to 12 quintals of that mixture, so that the percentage of wheat becomes 85%?

Question 3:

A motor car goes from Mumbai to Pune at a speed of 20 km/h and comes back from there at a speed of 30 km/h. What is the average speed of the car for the whole journey?

Question 4:

A family consists of two parents and three children. If the average age of the parents is 36 years and that of the children is 10 years. Find the average age (in years) of the family.

Question 5:

A loss of Rs. 1,152 has to be divided among $A, B$ and $C$ in the ratio $7: 8: 9$, then what is the share of $A$ ?