A can do a work in 24 days and B is 20% more efficient than A. If C can do the work in 10 days more than B, then find the days taken by A and C together to complete the work.

The LCM of two positive integers is twice the larger number and the HCF of the two numbers is 3. The smaller number is:

Directions: The bar chart given below shows the percentage distribution of the production of various models of a mobile manufacturing company in 2007 and 2008. The total production in 2007 was 35 lakh mobile phones and in 2008 the production was 44 lakh. Study the chart and answer the following questions.
Percentage of six different types of mobiles manufactured by a company over two year

What was the difference in the number of B type mobiles produced in 2007 and 2008? 

The salary of P, Q and R are in the ratio of 3 : 4 : 5. The salary of P, Q and R together is Rs. 33600 by what per cent is the salary of R more than that of P ?

The amount of Rs 400 becomes Rs 480 in 4 years. If the rate of interest is increased by 2 percent, how much will it be?

Two equal circles of radius 4 cm intersect each other such that each passes through the center of the other. The length of the common chord is

If $${(2cos^3 A-cosA)\over (sin A- 2 sin^3 A)=1}$$ then what is the value of A?

Find the distance travelled by a 40 cm diameter wheel to cover a distance of 176 meters? Using (π=22/7)