SSC Selection Post 2022 Matriculation Level Question Paper (05 Aug, 2022) (Shift 1)

Arjoo had a sum of $\text{Rs. }5,00,000$. She invested $40\%$ of the money at $6\%$ simple interest for a period of $4$ years, while she invested the remaining part at the rate of $8\%$ simple interest for a period of $5$ years. How much total simple interest (in $\text{Rs.}$) did she receive?

If $72$ persons build a $220\text{-m-long}$ wall in $6$ days, then how many persons will be required to build the same type of wall of $550\text{-m}$ length in $5$ days?

What is the percentage increase in the number if it becomes $6$ times the original number?

A tradesman marks his goods at $15\%$ above the cost price and allows purchasers a discount of $10\%$ for cash. What profit percentage does he make?

A car travels a certain journey at $40\text{km/h}$ and an equal distance more at $60\text{km/h}$. The average speed for the whole journey is: