For the following questions answer them individually
Vhat is the value of
$$5 \div 10$$ of $$10 \times 4 + 4 \div 4$$ of $$4 \times 10 + \left(10 - 4\right) \div 16 \times 4$$?
A man sold an oven for ₹8,875 and made a profit of 25% in the process. What would have been his profit or loss per cent (up to two decimal places). had he sold it for ₹6,937?
The average weight of 30 girls in a group is 35 kg. When a new girl is included, the average weight increases by 2 kg.
What is the weight of the new girl?
A can complete a project in 10 days and B can complete the same project in 15 days. A and B start working on the project together and A quits 5 days before the project is completed. In how many days is the project completed?
Three numbers A, B and C are in the ratio 4 : 5 : 8. If each number is increased by 15%, 24%, and 35%, respectively, then the new ratio of the numbers will be:
A man sold an almirah for ₹960 at a loss of 4%. He then sold a folding bed for ₹840 at a profit of 20%. Find his profit or loss.
If ₹12,800 is invested in a bank for 5 years at the rate of 9% per annum simple interest, what amount is returned by the bank?
Ram bought a chair at 35% discount on its marked price. Had Ram got no discount. he would have had to pay ₹245 more. How much did Ram pay for the chair?