Question
Priya spends an average of Rs. 600 on Sundays and Rs.
450 on the remaining days. Find her average spending in a 30-day month starting with Sunday.Solution
Required average = (5 × 600 + 25 × 450) ÷ 30
= (3000 + 11250) ÷ 30
= 14250 ÷ 30
= Rs. 475
A trader buys a stock at an average price of Rs. 240 per share. He sells one-third of his shares at a 10% profit and the remainin...
The perimeter of 4 squares is 20 cm, 32 cm, 36 cm and 40 cm respectively. What will be the area of the square having perimeter equal to sum of edges of ...
The average age of 4 children is 12 years. The difference between the ages of the eldest and the youngest child is 10 years. If the second and third chi...
X has 30% more money than Y, and Z has 35% less money than Y. What percent more money does X have than Z?
The following table shows the number of students enrolled in different courses at a university:
4.8% of 250 + 4.5% of ? = 48 + 1.5% of 3600
The ratio of two numbers is 4:8 and their LCM is 64. The numbers are:
A fraction increases by 35% when 25 is added to its numerator and its denominator is multiplied by 10. What is the numerator of the original fraction?
Find the area of the triangle formed by the points A(1, 2), B(4, 6), and C(5, 1).
