Arihant Expert Team Solutions for Chapter: SBI Clerical Cadre Pre Exam, Exercise 9: Quantitative Aptitude

The simple interest (at the rate of $6\%$ per annum) received on a principal of Rs $X$ was Rs $482.40$, when invested for $3$ years in scheme $\mathrm{A}$. If scheme $\mathrm{B}$ offered compound interest (compounded annually) at $10\%$ per annum, what was the interest received by investing $\text{'}\mathrm{X}-680\text{'}$ for $2$ years in scheme $\mathrm{B}$?

Mary paid $15\%$ of her monthly salary towards an EMI. From the remaining salary, she paid $10\%$ as internet bill and $20\%$ as rent. If after the mentioned expenses she was left with $\mathrm{Rs} 24990$, what was Mary's monthly salary? 

The sum of $4$ consecutive even numbers is $107$ more than the sum of three consecutive odd numbers. If the sum of smallest odd number and the smallest even number is $55$, what is the smallest even number?

A, B and C, each working alone, can finish a piece of work in $27, 33$ and $45$ days respectively. A starts by working alone for $12$ days, then B takes over from A and works for $11$ days. At this stage, C takes over from B and completes the remaining work. In how many days the whole work was completed?

A rectangular garden of length $12 \mathrm{m}$ is surrounded by a $2 \mathrm{m}$ wide path. If the area of the garden is $84 {\mathrm{m}}^2$ and the cost of gravelling is $\mathrm{Rs} 8$ per ${\mathrm{m}}^2$, what is the total cost of gravelling the path?

Train A, travelling at $\mathrm{S} \mathrm{m}/\sec$, can cross a platform double its length in $21$ seconds. The same train, travelling at $\left(S+5\right) \mathrm{m}/\sec$ , can cross the same platform in $18 \mathrm{seconds}$. What is the value of $S$? 

The present age of Charu is $2.5$ times the present age of Harsh. Had Harsh been two years younger and Charu been $13$ years older, Charu's age would have been $3.5$ times Harsh's age. What is Harsh's present age? 

Divide $27$ into two parts such that $5$ times the first and $11$ times the second together equal to $195$. Then ratio of the first and second part is?