Manoj deposited ₹ 29400 for 6 years at a simple interest. He got ₹ 4200 as interest after 6 years. The annual rate of interest was-

Directions : Given here is a pie chart showing the cost of gold in 2010, 2011, 2012 and 2013. Study the chart and answer the following questions

If the price of gold in 2013 is Rs. 31,500 per 10 gram, then the price of gold in 2011 per 10 gram is

If C₁, C₂ be the centres of rwo circles and r₁, r₂ be the respective radii such that the distance between the centres is equal to the sum of the radii of the two circles, find the number of common tangents.

Directions : Read the graph and answer the following questions.

What is the difference in profit between 1983 and 1984 (in lakhs of rupees) ?

Acid and water are mixed in a vessel A in the ratio of 5:2 and in vessel B in the ratio 8:5. In what proportion should quantities be taken out from the two vessels so as to form a new mixture in which the acid and water will be in the ratio of 9:4?

In a circle with centre O, a diameter AB is produced to a point P lying outside the circle and PT is a tangent to the circle at the point C on it. If ∠BPT = 36°, then what is the measure of ∠BCP?

The HCF of two numbers 12906 and 14818 is 478. Their LCM is

ABCD is a cycle quadrilateral and BC is diameter of the related circle on which A and D also lie. ∠BCA =19⁰ and ∠CAD=32⁰. What is the measure of ∠ACD?