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ATQ, Let present age of ‘Aman’ be ‘a’ years So, 3(a – 20) = a + 12 Or, 3a – 60 = a + 12 Or, 2a = 72 Or, a = 36 Present age of ‘Bhanu’ = 5/4 × {36 + 12} – 12 = 60 – 12 = 48 years Present age of ‘Chetna’ = 38 × 3 – 36 – 48 = 30 years
The numbers ‘A’, ‘B’ and ‘C’ are in the ratio 2:3:5. If the difference between the largest number ‘C’ and the smallest number ‘A’ is...
Total population of city P and Q is 2320 and 3150 respectively. If the ratio of number of males to females in city is P and Q is 5:3 and 3:2 respectivel...
Marks scored by A and B in a test are in the ratio 13:4 respectively. If B had scored 6 more marks, then marks scored by A would be 30% more than that o...
In a class of 140 students, the number of boys exceeds the number of girls by 8. If 4 additional girls and 6 additional boys join the class, what will b...
In an examination, the marks obtained by Arun and Akram are in the ratio of 2:3. Arun’s score is 26 marks below the passing threshold, while Akram’s...
If A : B = 8:5 and A is 21 more than B then find the sum of A and B.
The ratio of the two numbers is 3:7. 120% of the first number is equal to the 60% of the second number. Find the sum of both the numbers.
The ratio of A's age to B's age is 1:4, and the ratio of B's age to C's age is 4:5. D is 20 years older than B. Additionally, the ratio of C's age to D'...
A bag contains Re 1 and 50 paise coins in the ratio 2 : 3. While the ratio of 50 paise and 25 paise is 4:5. If the total value of these coins is Rs 177....
Find the third proportion of √ 2, √ 7 and √ 21.