Quantitative Aptitude
The radius of the base of a right circular cone is 28 cm and its slant height is 13 cm. Find the lateral surface area. \(\text{(use } \pi = \frac{22}{7}\text{)}\)
Study the given bar graph carefully and answer the question that follows.
The bar graph given below gives the data of production of paper (in lakh tonnes) by 3 different companies X, Y and Z over the years 2015 to 2018.
In which year was the percentage of production of company Y to the production of company Z the maximum?
Find the simple interest (in ₹) on ₹3,500 as a sum borrowed at 6% per year rate of interest for 6 years.
The curved surface of a right circular cylinder is to be coloured at the rate of ₹1.50 per sq.cm. If the radius of the circular base is 21 cm and height is 10 cm, then what will be the cost (in ₹) of colouring? \(\text{(use } \pi = \frac{22}{7}\text{)}\)
The height of a cylindrical pillar is 20 m. The diameter of its base is 350 cm. What will be the cost of painting the curved surface of the pillar at ₹40/m2? \((\pi = \tfrac{22}{7})\)
The average salary of all 50 employees including 5 officers of a company is ₹855. If the average salary of the officers is ₹2,550, find the average salary of the remaining staff of the company. (Rounded to the nearest integer.)