Let the original number of faculties in Physics and Biology be 2x and 5x respectively According to the question, => (2x + 105)/(5x + 56) = 3/4 => 15x + 168 = 8x + 420 => x = 36 Original number of faculties = 2x + 5x = 7x = 7 × 36 = 252
A can complete a piece of work in 12 days, B in 18 days, and C in 36 days. They all work together for a few days, after which A leaves. B and C continue...
A cylinder of radius 12 cm containing water reduces its water level by 1 cm when a fully immersed hemi spherical ball is removed from this cylindrical c...
In a competition between two participants, one participant secured 55% of the total points and won by a margin of 3,300 points. What was the total numbe...
28, 52, 84, 124, 172, ?.
The sides of a triangle measure 13 cm, 14 cm, and 15 cm. Find the area of the triangle.
Quantity-I: ‘A’ and ‘B’ started a business by investing Rs. ‘x’ and Rs. 4,800, respectively. ‘A’ and ‘B’ invested their sum for 8 ...
A person has a total of ₹5000 in the form of ₹10 and ₹5 notes. If the number of ₹10 notes is twice the number of ₹5 notes, how many notes of e...
The average of 20 numbers is 50. If two numbers, 40 and 60, are removed, what is the new average?
If the sales of Product C increase by 50% and the sales of Product D decrease by 20%, what will be the new total sales of all products combined?
