The symbol 'D' in thermo-bacteriology is indicated for

Solve : (3.2 × 10⁴) ÷ (2 × 10⁵)

906 ___  6 ___ `sqrt1225`  ___  500 ___  850 = 4,935

The sum of three consecutive even numbers is 28 more than the average of these three numbers. Then the smallest of these three numbers is

160 cycles were sold for Rs.524,000 resulting in a loss of 10%. What was the cost price of a cycle (in Rs.)? (rounded off to the nearest rupee)

`2/5` ___  15 ___  115___ 20 ___  4 = 581

3,000 ___  15 ___ 4 ___  (20)² ___  20 = 32,200