If $y=a x+b$, where $a$ and $b$ are constants then what wil be $\frac{d y}{d x}$ ?
- ✓$a$
- B$b$
- C$a+b$
- D$0$
Answer: A.
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MCQ
10 Q→021 Marks Each
10 Q→032 Marks Each
12 Q→043 Marks Each
8 Q→054 Marks Each
4 Q→065 Mark Each
4 Q→One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Answer: A.
View full solution →Answer: D.
View full solution →Answer: C.
View full solution →Answer: D.
View full solution →Answer: B.
View full solution →| year | $2012$ | $2013$ | $2014$ | $2015$ | $2016$ | $2017$ | $2018$ |
| Birth rate | $22.2$ | $21.8$ | $21.3$ | $20.9$ | $20.6$ | $20.2$ | $19.9$ |
| Year | $2009$ | $2000$ | $2011$ | $2012$ | $2013$ | $2014$ | $2015$ | $2016$ | $2017$ | $2018$ | $2019$ |
| Production | $112$ | $106$ | $93$ | $90$ | $114$ | $159$ | $170$ | $130$ | $108$ | $113$ | $115$ |
| Monthly income $($thousand$)$ | $60$ | $70$ | $64$ | $68$ | $62$ | $65$ | $72$ |
| Monthly Expenditure $($thousand$)$ | $50$ | $59$ | $57$ | $50$ | $53$ | $58$ | $60$ |
| Height of father $(cm )$ | $170$ | $169$ | $168$ | $167$ | $166$ | $165$ | $164$ |
| Height of son $(cm )$ | $172$ | $168$ | $170$ | $168$ | $165$ | $167$ | $166$ |
| Item | Quantity | price | ||
| Year $2015$ | Year $2016$ | Year $2015$ | Year $2016$ | |
| $A$ | $25 \ kg$ | $32 \ kg$ | $42$ | $45$ |
| $B$ | $15$ litre | $20$ litre | $28$ | $30$ |
| $C$ | $10$ pieces | $20$ pieces | $30$ | $36$ |
| $D$ | $8$ meter | $15$ meter | $20$ | $25$ |
| $E$ | $30$ litre | $36$ litre | $60$ | $65$ |
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