Ramesh incurred a loss of 10% after selling a phone. If be had sold the phone for ₹1,260 more, then he would have made a profit of 5%. What is the cost price of the phone?
The sum of the lengths of the radius and the diameter of a circle is 84 cm. What is the difference between the lengths of the circumference and the radius of this circle?\( \text{use } \pi = \frac{22}{7} \)
The following table shows a survey conducted in the schools of a city. This survey shows the type of activities teenagers (age 13 to 19 years) are involved in during their leisure time.
| Activities | Distribution of leisure time |
| Cell phone | 25% |
| Friends | 30% |
| Net surfing | 20% |
| Watching TV | 20% |
| Playing sports | 5% |
If a teenager has 6 hours of leisure time in a day, then how much time does he/she spend daily on net surfing?
2 hour 30 minutes
2 hour 12 minutes
1 hour 15 minutes
1 hour 12 minutes
The value of \( 30\% \text{ of } 680 + 2 \tfrac{3}{11} \text{ of } 1331 \) is
Study the given bar-graph and answer the question the follows. The bar-graph shows the distance (in km) between two cities and speeds (in km/h) of a person to cover the respective distances.
What is the approximate average speed of the person while travelling from city A to city F?
The larger diagonal of a rhombus is 150% of its smaller diagonal, and its area is 432 sq.cm. Find the length (in cm) of the side of the rhombus?
\( 8\sqrt{13} \)
\( 4\sqrt{13} \)
\( 6\sqrt{13} \)
\( 2\sqrt{13} \)