Quantitative Aptitude
A retialer offers the following discount schemes for buyers on an article. Which scheme will be least beneficial to the customer?
i. A discount of 30%
ii. A discount of 22% followed by a discount of 8%.
Iii. Successive discounts of 25% amd 5%.
In a math exam, two students scored 95, six students scored 90, three students scored 80, and one student scored 50. What was the average score of the class?
The diameter of a hollow hemisphere is 30 cm. Water is filled in it up to its brim. When spherical lead shots each of radius 0.75 cm are dropped into the hemisphere, two-fifth of the water flows out. How many lead shots were dropped into the hemisphere?
The following bar graph represents the flow of funds of XYZ India Pvt. Ltd from 2015-2020. Calculate the percentage of average rate (approx.) of the increase in funds from 2015-2017.
The radii of the bases of two cylinders and their heights are in the ratio 4 : 3 and 9 : 8, respectively. Find the ratio of their curved surface areas.
A grocer wishes to sell a mixture of two varieties of rice worth ₹48 per kg. In what ratio must he mix the rice to reach this selling price when the cost of one variety of rice is ₹42 per kg and the other is ₹60 per kg?
By selling an article for ₹20, a dealer makes a profit of 10%. By how much should he increase his selling price (in ₹, rounded off to two decimal place) so as to make a profit of 30%?
In a circular race of 1 km, two persons X and Y start with the speed of 9 km/h and 18 km/h, respectively, at the same time from the same point. When will they meet for the first time at the starting point when running in the same direction?
Two athletes X and Y are jogging on a circular path whose circumference is 500 m. Athlete X jogs at a speed of 18 km/h and Y jog at 9 km/h, jogging in opposite directions. The time at which they will meet for the first time is:
The money invested by Gopal at simple interest amounts to ₹16,150 in 3 years and to ₹16,540 in 4 years. What was the principal amount invested by him?
