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

The salary of a typist was first raised by $20\%$ in the first year and then reduced by $15\%$ in the second year. If the typist's present salary is $\text{Rs. }1,224$, then what was his/her salary two years ago?

A can do three-seventh of a work in $15$ days and B can do two-fifth of the same work in $14$ days. If A and B work together, then how long (in days) will they take to complete the work?

An article is listed at $\text{Rs. }900$. A customer pays $\text{Rs. }726.75$ for it after getting two successive discounts. If the rate of first discount is $15\%$, the rate of the second discount is ______.

In a chief election, a candidate got $60\%$ of the total valid votes. $5\%$ of the total votes were declared invalid. If the total number of votes is $20,800$, then the number of valid votes polled in favour of the candidate is:

What number will come in place of the question mark?
$$2:5::?:35$$