For the following questions answer them individually
A silver shop owner claims that he is selling silver at ₹65/g when cost price is ₹70/g, but he is giving 900 mg instead of 1 g. The percentage of profit or loss of the shop owner (correct to 2 decimal places) is:
Sanju can do a piece of work in 17 days and Rohan can do the same work in 68 days.
Find the time required to complete the same work if they are working on alternate days and Sanju starts the work on first day
The population of a village increased from 90000 to 98000 in 1 year. Find the rate of growth of population. (Rounded off to one decimal place)
The difference between a discount of 30% and two successive discounts of 17% and 13% on Rs.5,000 is ________.
Two sprinters cover the same distance at the speed of 18 km/h and 20 km/h, respectively. Find the distance travelled when one takes 15 minutes longer than the other.
If the radius of the base and the slant height of a cone are 13 cm and 35 cm respectively, then what is the curved surface area of the cone?
A shopkeeper offers the following three discount schemes. Which scheme(s) has/have the maximum discount percentage?
I. Two successive discounts of 5% and 20%
II. Buy 6, get 2 free
III. Buy 6, get 4 free
One third of a journey is covered at the rate of 30 km/h, one fourth at the rate of 50 km/h and the rest at 60 km/h. Find the average speed for the whole journey. (Correct to 2 decimal places)
Arun applied for a job of English teacher in a school. In the test for the job, he scored 9 in speaking, 8 in listening, 6 in writing, and 7 in interview. For calculating the final score, weights of 4, 3, 3 and 4 were assigned to speaking, listening, writing and interview respectively. What is the weighted average score of Arun? (Round off to two decimal places)
Ravi and Suhas walk from A to B, a distance of 24 km, at a speed of 2 km/h and 4 km/h, respectively. Suhas reaches B, returns immediately and meets Ravi at C. Find the distance from A to C.