Question

1. 100 is ---------- of 400.

2. 2/5 can be expressed as
------------ percent.

3. Sushil got 40 marks out of 50 in Math C.T. The
percentage of Sushil is ----------

4. If Mr.Anil saves 20% of his income and his
monthly salary is Rs.5000 then his savings is ------------- rupees.

5.is the number 10% more than 100.



answer all

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Answer 1

Answer:

$1) \: \: \: \: \frac{100}{400} \times 100 \\ = \: \: \underline{ \underline{25\% }} \\ \: \: \: \: \: 100 \: \: is \: \: { \frac{1}{4} }^{th} \: \: of \: \: 400 \\ or \\ \: \: \: \: \: 100 \: \: is \: \: 25\% \: \: of \: \: 400 \\ \\ 2) \: \: \: \: \frac{2}{5} \times 100 \\ = \: \: \underline{ \underline{40\%}} \\ \\ 3) \: \: \: \: \frac{40}{50} \times 100 \\ = \: \: \underline{ \underline{80\%}} \\ \\ 4) \: \: \: \: ₹ \: 5000 \times 20\% \\ \: \: \: \: \: ₹ \: 5000 \times \frac{20}{100} \\ = \: \: \underline{ \underline{₹ \: 1000}} \\ \\ 5) \: \: \: \: 100 \times 110\% \\ \: \: \: \: 100 \times \frac{110}{100} \\ = \: \: \underline{ \underline{110}}$