Question

1. A natural number is divide dints three parts in the ratio 3:4:5. If the sum of the
three numbers is 384, then find the numbers and also find the smallest of all
2. Rahul's monthly income is Rs. 25,000 out of which he spend 20% on
accommodation, 50% on household expenditure, 15% on transportation and
the rest is saved. How much mony does he save?
3. Deepan suffered a loss of 15% on a mobile which he hold at the price of Rs.
15,300. At what price did he purchased that mobile?
4. Express the following:
a) 6, 99, 99, 99,999 in scientific notation.
b) 3.1407 - 10 in expanded form.
5. Express 0.87 in the form of
6. Simplify and write the answer in the simplest form.
+
6
7. Simplify the given expression:+1G - 9) + 3x
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Answer 1

Answer:

simplify the given expression