Willey Exam Expert Solutions for Chapter: Mock Test - SBI PO, Exercise 1: SBI PO Prelims-Set 1

A and B are two partners and they have invested $₹ 54,000$ and $₹ 90,000$ in business. After one year A received $₹ 1800$ as his share of profit out of the total profit of $₹ 3600$ including his certain commission on total profit since he is a working partner and the rest of profit is received by B. What is the commission of A as a percentage of the total profit?

The ratio of ages of Keshav and Saurabh is $4:5$ and that of Keshav and Hari is $5:6$. If sum of ages of all the three is $69$ years, what is Saurabh's age?

A $240 \mathrm{m}$ long train moving with speed of $108 \mathrm{km}/\mathrm{hr}$ crosses a platform in $20 \mathrm{s}$. A man crosses the same platform in $5 \min$. What is the speed of the man(in $\mathrm{m}/\mathrm{s}$)?

A committee of $5$ students is to be chosen from $6$ boys and $4$ girls. What is the probability that the committee has exactly $2$ girls?

An oil refinery takes $100 \mathrm{litres}$ of crude oil as input and after refining for $1 \mathrm{hour}$ gives certain amount of output oil $\mathrm{X} \mathrm{litres}$. This can be sold in the market at a profit of $₹ 30 \mathrm{per} \mathrm{litre}$. If this oil is further refined for $1/2 \mathrm{hour}$ it gives oil $\mathrm{Y} \mathrm{litres}$. This can be sold at a profit of $₹ 50 \mathrm{per} \mathrm{litre}$. Output and input ratio at both the stages is $90\%$. The maximum amount that can be earned from $1000 \mathrm{litres}$ of crude input is:

In a school, there are $250$ students, out of whom $12\%$ are girls. Each girl's monthly fee is $₹ 450$ and each boy's monthly fee is $24\%$ more than that of a girl. What is the total monthly fee of girls and boys together?

The cost of $5 \mathrm{kg}$ of apples is equal to the cost of $12 \mathrm{kg}$ of rice. The cost of $3 \mathrm{kg}$ of flour equals the cost of $1 \mathrm{kg}$ of rice. The cost of each kg of flour is $₹ 17.50$. Find the total cost of $3 \mathrm{kg}$ of apples, $2 \mathrm{kg}$ of rice and $4 \mathrm{kg}$ of flour?

A garden is $24 \mathrm{m}$ long and $14 \mathrm{m}$ wide.There is a path $1 \mathrm{m}$wide outside the garden along its sides. If the path is to be constructed with square marble tiles $20 \mathrm{cm}\times 20 \mathrm{cm}$, What is the number of tiles required to cover a path?