Ratio and proportion : 19.04.2024

In a bag containing red, green and blue pens, the ratio of red, blue and green pens, in the given order, was 7:4:9. If the total number of pens in the bag was 320, how many of them were red?

If a car covers 75.5 km in 3.5 litres of petrol, how much distance (in km) will it cover in 28 litres of petrol?

If p/q = r/s = t/u = 2/5, then what is the value of (4p + 3r + 7t) : (4q + 3s + 7u)?

M is inversely proportional to N. If M is 20, then N is 70. If N = 50, then what is the value of M?

A sum of 15,250 is divided among Shrinza, Sheetal and Chirag such that Shrinza receives 40% more than Sheetal and Sheetal receives 40% less than Chirag. What is Chirag's share?

The fourth proportional to 16 and 26 and 32 is:

If a : b = 4 : 5 and b : c = 3 : 10, then a : c is:

Three positive numbers are in the ratio of 4 : 5 : 7, and the sum of their squares is 15,210. Find the sum of the three numbers.

A sum of money is distributed among P, Q and R in the ratio 13 : 17 : 25, respectively. If R gets Rs. 6,800 more than Q, then the difference between P’s share and Q’s share is:

Rs. 1,26,672 is divided between A and B in the ratio 7 : 9. The difference between the share of B and that of A (in Rs.) is: