Answer the following questions

The total income of Ramesh, Suresh and Dinesh is Rs. 17325. Ramesh spend 70%, Suresh spend 75% and Dinesh spend 80% of their income. The ratio of their saving is 6 : 8 : 5. What is the income of Dinesh?

Directions : Study the following pie chart carefully and answer the questions. The pie chart represents the percentage of people involved in various occupations.
Total number of people = 20000

How many more people are involved in service than in trade?

If the compound interest rate is 20%  per year, compounded half-yearly, then what will be the interest of two years on the principal of 1,00,000?

In a circle with centre O, BC is a chord. Points D and A are on the circle, on the opposite side of BC, such that ∠DBC = 28° and BD = DC. What is the measure of ∠BOC?

What is the total surface area of a pyramid whose base is a square with side 8 cm and height of the pyramid is 3 cm? 

If the areas of two similar triangles are in the ratio 196 : 625,what would be the ratio of the corresponding sides? 

If a + b = 1 and a³ + b³ + 3ab = k, then the value of k is

 If 64 amount to 83.20 in 2 years what will ₹ 86 amount to in 4 years at the same rate percent per annum?