For the following questions answer them individually
O is the incentre of the triangle PQR. If angle POR = 140 degree, then what is the angle PQR?
A shopkeeper gives two successive discounts on a watch marked ₹2,750. The first discount given is 10%. If the customer pays ₹2,103.75 for the watch, then what is the second discount?
By selling a car for Rs.2,78,000, a dealer gains 25%. If the profit is reduced to 18%, then the selling price will be:
On simple interest a sum of ₹640 becomes ₹832 in 2 years. What will ₹860 become in 4 years at the same rate of simple interest?
Which of the following statement is correct?
I. The value of is $$100^{2} - 99^{2} + 98^{2} - 97^{2} + 96^{2} - 95^{2} + 94^{2} - 93^{2} + 2^{2} - 1^{2}$$ 5050.
II. If $$8x + \frac{8}{X}= -16$$ and x < 0, then the value of $$x^{197} + x^{-197}$$is 2.
The following pie chart shows the spending of a country on tourism in various states during the year 2012.
Total spending of the country = ₹49,62,000
The amount spent on state together D1 and D4 exceeds that spent on together D2 and D8 by:
If $$\sin A= \frac{4}{5}$$ and $$\sin B= \frac{15}{17}$$, what is the value of $$\sin (A - B)$$?
Ratio between the present ages of A and B is 2 : 3, respectively. After 5 years, the ratio between their ages will be 3 : 4. What is B's age at present?