For the following questions answer them individually
The compound interest compounded annually on a sum of money for 2 years is ₹1,128.6 and the simple interest on the same sum for the same period is ₹1,080. What is the difference between the compound interest compounded ammally and the simple interest for 3 years?
Two trains of lengths 120 m and 180 mare travelling in opposite directions at the uniform speed of 34 km/h and 32 km/h. The time taken by the two trains to pass each other is:
A person purchased a machine for ₹50,000 and fixed the marked price 20% higher than the cost price and sold it at a discount of 15%. The percentage profit or loss is:
If $$P = a^{3} \times b^{5} \times c^{11} , Q = a^{8} \times b^{9} \times c^{5} R = a^{15} \times c^{23}$$ , then what is the HCF of P, Qand R?
A sum fetched a total simple interest of ₹5,427 at the rate of 9% p.a. in 6 years. What is the sum?
A's income is 25% more than that of B. B's income is less than A's income in percentage of:
13,540 is to be divided between Kamal and Sunita such that Kamal's share at the end of 5 years may be equal to Sunita's share at the end of 7 years. If the rate of interest is 8% per annum compounded annually, then Kamal's share is:
The value of $$\frac{1}{2}$$ of $$\frac{1}{3} - \frac{2}{3}$$ of $$\frac{4}{5} + 4 \div 7 + 3$$ of $$7 \div 2$$
The perimeter of a square is 64 cm. The area of a rectangle is 16 $$cm^{2}$$ less than the area of the square. If the length of the rectangle is 20 cm , what is the perimeter of the rectangle?