edited by
427 views
0 votes
0 votes

A wooden box (open at the top) of thickness $0.5$ cm, length $21$ cm, width $11$ cm and height $6$ cm is painted on the inside. The expenses of painting are $\text{Rs. 70}$. What is the rate of painting per square centimeters?

  1. $\text{Re 0.7}$
  2. $\text{Re 0.5}$
  3. $\text{Re 0.1}$
  4. $\text{Re 0.2}$
edited by

Please log in or register to answer this question.

Related questions

674
views
1 answers
1 votes
go_editor asked Mar 9, 2020
674 views
A person who has a certain amount with him goes to market. He can buy $50$ oranges or $40$ mangoes. He retains $10\%$ of the amount for taxi fares and buys $20$ mangoes a...
715
views
1 answers
0 votes
go_editor asked Mar 9, 2020
715 views
$\frac{2}{5}$ of the voters promise to vote for $\text{P}$ and the rest promised to vote for $\text{Q}$. Of these, on the last day $15\%$ of the voters went back of their...
476
views
0 answers
0 votes
go_editor asked Mar 9, 2020
476 views
A stockist wants to make some profit by selling sugar. He contemplates about various methods. Which of the following would maximise his profit?Sell sugar at $10\%$ profit...
619
views
1 answers
0 votes
go_editor asked Mar 9, 2020
619 views
For the product $n\left ( n+1 \right )\left ( 2n+1 \right ),n \in \mathbf{N}$, which one of the following is not necessarily true? It is evenDivisible by $3$Divisible by ...
544
views
1 answers
0 votes
go_editor asked Mar 9, 2020
544 views
$\text{ABCD}$ is a square of area $4$ with diagonals $\text{AC}$ and $\text{BD}$, dividing square into $4$ congruent triangles. Figure looks like four non-over lapping tr...