For the following questions answer them individually
40% of the cost price of an article is equal to 30% of its selling price. The approximate percentage of profit or loss on the cost price is:
The pie chart shows the percentage-wise break up of students in terms of specialisation in Engineering.
Total number of students = 8000
What is the total number of students having specialisation in Operating system, java and DBMS?
In what time will ₹3,90,625 amount to ₹4,56,976 at 8 % per annum, interest being compounded half-yearly?
Find the compound interest on ₹1,60,000 at 10% per annum for 2 years if the interest is compounded half-yearly.
A, B and C can do a work in 5 days,6 days and 10 days, respectively. Working together, in how many days will they finish the same work?
Each edge of the following square is 20 cm long, and a circle is inscribed in the square as shown. What is the area of the shaded region? [Use $$\pi=3.14$$]
The diameter of the base of a right-circular cylinder is 12 cm and the height of the cylinder is 2.45 times the radius of its base. Find the volume of the cylinder [Use $$\pi=3.14$$]
If y varies directly with x, and y = 61 when x = 42, find y when x = 54 (consider integral value).