Question
Find the value of using the diagonal method:
$(67)^2$
$(67)^2$
✓
Answer
$\therefore$ $(67)^2 = 4489$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The cost of 97 metre of cloth is Rs 242.50. What length of this can be purchased for Rs 302.50?
Find 12 rational numbers between -1 and 2.
Find the squares of the following numbers using diagonal method:
$348$
→$348$
One the eve of Gandhi Jayanti a saree is sold for Rs. 720 after allowing 20% discount. What is its marked price?
Find the product:
$\big(−\frac{7}{4}\text{ab}^2\text{c}−\frac{6}{25}\text{a}^2\text{c}^2\big)\big(−50\text{a}^2\text{b}^2\text{c}^2\big)$
→$\big(−\frac{7}{4}\text{ab}^2\text{c}−\frac{6}{25}\text{a}^2\text{c}^2\big)\big(−50\text{a}^2\text{b}^2\text{c}^2\big)$
Simplify the following using the identities:
$\frac{198×198−102×102}{96}$
→$\frac{198×198−102×102}{96}$
Complete the magic square given below, so that the sum of the numbers in each row or in each column or along each diagonal is 15.
| 6 | 1 | |
| 5 | ||
The marks scored by 20 students in a test are given below:
54, 42, 68, 56, 62, 71, 78, 51, 72, 53, 44, 58, 47, 64, 41, 57, 89, 53, 84, 57.
Complete the following frequency table:
What is the class interval in which the greatest frequency occurs?
54, 42, 68, 56, 62, 71, 78, 51, 72, 53, 44, 58, 47, 64, 41, 57, 89, 53, 84, 57.
Complete the following frequency table:
| (Marks in class intervals) | Tally marks | Frequency (no. of children) |
| 40-50 | ||
| 50-60 | ||
| 60-70 | ||
| 70-80 | ||
| 80-90 |
Write the prime factorization of the following numbers and hence find their square roots.
7056
7056
If $\Big(\text{x}+\frac{1}{\text{x}}\Big)=4$ Find the values of:
$\Big(\text{x}^2+\frac{1}{\text{x}^2}\Big)$
→$\Big(\text{x}^2+\frac{1}{\text{x}^2}\Big)$