Quantitative Aptitude
In the given figure, a circle is inscribed in △PQR, such that it touches the sides PQ, QR and RP at points D,E,F repectively. If the lenghts of the sides PQ=15cm, QR=11cm and RP=13cm, find the length of PD.
The table given below shows the production of beauty products by five different companies
| Companies | Production |
| P | 80 |
| Q | 120 |
| R | 84 |
| S | 50 |
| T | 70 |
The production of beauty product by T is what percent of the production of beauty product by S?
Observe the given graph and answer the following questions
How many students obtained more than 135 marks?
A pen was sold for Rs.166.44 with a profit of 14%. If it were sold for Rs.154.76, then what would have been the percentage of profit or loss?
What is the value of x² + x-2 if \(\, x = \frac{\sqrt{5} - 2}{\sqrt{5} + 2} \)
The table given below shows the number of pencils sold by 7 shops.
| Shops | Pencils |
| S1 | 54 |
| S2 | 68 |
| S3 | 70 |
| S4 | 120 |
| S5 | 84 |
| S6 | 130 |
| S7 | 36 |
What is the ratio of number of pencils sold by S3 to the number of pencils sold by S6?
If x > 0, and x⁴ + 1/x⁴ = 2207, Then what is the value of \(\, x^{7} + \tfrac{1}{x^{7}} \)