Question
If 'Q' is the smallest prime number, then find the
fourth proportion of (Q + 6), (Q + 2) and (Q + 10).Solution
'Q' = 2
So, the numbers are 8, 4 and 12.
Let fourth proportion be 'm'.
So, 8m = 4 × 12
Or, 8m = 48
Or, 'm' = 6
The ratio of the two numbers is 4:9. 140% of the first number is equal to the 70% of the second number. Find the sum of both the numbers.
In a school, ratio of male to female teachers is 1: 3 respectively. When 24 more female teachers joined the school, then this ratio becomes 2: 9 respect...
The cost of diamond varies directly as the square of its weight. A diamond broke into four pieces with weights in the ratio 3 : 4 : 5 : 6. if the loss i...
'X' ke paas 42 foldable laptops hain aur 'Y' ke paas 'X' se 18 zyada hain. Agar 'Y' aur 'Z' ka anupaat 5:2 hai, to Z ke paas kitne foldable laptops hain...
Find the fourth proportion of (3k + 3), (6k + 6) and (9k + 9). (Note: 'k' is the largest single-digit composite number.)
Number of faculties in Physics and Biology in an institute is in the ratio of 3:5 respectively. If 75 more faculties join Physics, while 40 more faculti...
If ‘X’, ‘Y’ and ‘Z’ are in proportion and X = 45, Y = 60, then find the value of Z.
If A : B = 5:3 and A is 14 more than B then find the sum of A and B.
The ratio of the monthly incomes of Dinesh, Nikhil and Rohan is 64:73:81. If Dinesh’s monthly income is 10,496, then find Rohan’s annual inc...
The ratio of number of boys and girls in a factory of 660 workers is 7:5. How many more girls should be joined to make the ratio 1:1?
Relevant for Exams:
