For the following questions answer them individually
A sum of money lent om at simple interest amounts to ₹715 after 3 years and to ₹990 after a further period of 5 years. Find the sum.
The ratio of alcohol and water in a solution is 4 : 3. In 350 mL. of this solution, how much water (in mL) should be added to get a solution containing alcohol and water in the ratio 5 : 6?
Find the value of $$x$$ in the follo'vving equation.
45% of 360 + 30% of 400 = 25% of $$x$$
A square of side 6$$\sqrt{2}$$ cm is inscribed in a circle. What is the area (in $$cm^{2}$$) of the circle excluding the square ( correct to the nearest integer)? (Use $$\pi = \frac{22}{7}$$)
The value of $$\frac{3 of 5\frac{1}{2}+6\div5-2 of 3\div 4}{1 + \frac{3}{1 +\frac{1}{4}} of 5-3\frac{1}{3} of 2 \div 5}$$
The average score of 35 students in a class test is 46. Later, it was found that at two places 23 was read as 33, and at one place 36 was read as 30. What is the actual average score of the class?
A shopkeeper marks the marked price of an article 30% more than its real price and offers 10% discount. What is the gain percentage?
Reshma spends 84% of her income. If her income increases by 30% and savings increase by 40%, then by what percentage will her expendimre increase (correct to one decimal place)?