What should be added in the both numerator and denominator of fraction 4/7 so that the fraction becomes 2/3?

The ratio of Ram's salary to Shyam's salary is 3 : 4. The ratio of Shyam's salary to Ghanshyam's salary is 5 : 6. What will be the ratio of Ram's salary to Ghanshyam's salary?

If a : b = 5 : 7, b : c = 8 : 15, then find the value of 8c : 5a.

A student multiplied a number by 8/13 instead of 11/8. He further added 15 in the number. Find the percentage error in calculation of final number.

If A = \({1\over4}\)B , B = \({1\over3}\)C and, C = \(1\over2\)D then, find C : D : A : B.

The digits of a two-digit number are in the ratio of 4:3 and the number obtained by interchanging the digits is lesser than the original number by 18. Find the new number.

If the ratio of two numbers a and b is 3 : 5, such that a, b > 0, find the value of \(|{(a + b)\over(a-b)}| \).

If 30% of the number A is 55% of B, it is given that A + B = 51. Find the value of A/3 + B².

The value of a : b = 5 : 4, then find the ratio of (a + b)² - 4ab and a² - b².

10% of a number is 120 greater than its 5%. Find the number.

The ratio of the square of three numbers is 25 : 16 : 4 and their sum is 33. What is the middlemost number? (All the numbers are positive)

The ratio of wages of A : B is 3 : 8 & the ratio of wages of B : C is 8 : 3, find the ratio of wages of A : C.

A and B are two numbers such that 3A/11 = 4B/7. If C = ½ × (A – 2B), then what is the ratio of (A + B): C?

The average of x, y and z is 220. If the ratio between x : y : z is 1 : 4 : 6. Find the sum of y and z. 

A number 17% more than x is equal to another number 35% lesser than y. What is the value of (y + x)/(y – x)?

a, b, c and d are four numbers such that a : b = 4 : 1, b : d = 3 : 1 and (a + d) : c = 13 : 2, then what is the value of (a + b) : (c + d)?

If a three-digit number is multiplied by 11 instead of 9 the difference between them is 1558. Find the sum of the digits of that number.

The average of x, y and z is 220. If the ratio between x : y : z is 1 : 4 : 6. Find the sum of y and z. 

A student multiplies a number by 6/5 instead of 5/6. What is the percentage error in the result?

If 7A = 11B = 14C; find the value of A : B : C.

If 2a = 5b = 3c, find the ratio of (3a + 7b + 4c) and (2a + 8b + 9c).

From a cake, 1/6th of it was given to Ahmed. From the remaining portion, ‘a%’ of the cake is given to Sam. If the piece with Ahmed and the remaining portion after giving it to Sam is 200% more than that with Sam, then what is the value of ‘a’?

The ratio of a : b is 5 : 3. If 4 is added to both of them the ratio becomes 7 : 5. What is the original value of a, and b?

If 70% of (x - y) = 20% of (x + y), then what percent of x is y?

If A : B = 11 : 13, then what will be the value of the following expression?

(3A - 2B)/(2A + B)?

If P : Q = 10 ∶ 11 and Q ∶ R = 11 ∶ 12, then P + Q ∶ Q + R ∶ R + P is:

If A is 25% more than 36 and B is 36% more than 25, then which of the following is true?

What is the ratio of 58% of 182 to 87% of 728?

The Sum of 25% percent of A and 20% of B is equal to 8% of the number C. Also, the sum of 15% of A and 30% of B is equal to 7.5% of C. Find the difference between A and B. (Given C = 4000)

If 70% of b is equal to 80% of a and 60% of c is equal to 50% of b. It is given that c is less than the 50% of the sum of a and b by 2.5, then what is the value of b?

50% of x = 20% of y then find y% of 40.

If 30% of x is equal to 5 times of 20% of y, then find the value of x : y.

If A : B = 17 : 7 & B : C = 7 : 17, find A : C.

If one number is 16% more than 1397 and another number is 32% more than 2794. Find the ratio of the first number to the second number.

What is the ratio of the number of trousers produced by Raymond, Siyaram and Peter England?

The numerator of a fraction is 1 less than the denominator. If 3 is added to the numerator and 1 is subtracted from the denominator the fraction becomes 5/2. Find the original fraction.

If a : b = 18 : 17 and b : c = 19 : 21 then, find the ratio of a : c : b.

The ratio of two numbers is 2 : 3. If 2 is added to the first number and 3 is subtracted from the second number, then the ratio becomes 5 : 6. What is the value of first number?

If A : B = 2 : 3 & B : C = 5 : 7, then C : A = ?

If X = 50 and Y = 25, then X is how much percentage more than Y?

If A : B = 3 : 7 and B : C = 2 : 5, find A : B : C.

If 70% of b is equal to 80% of a and 60% of c is equal to 50% of b. It is given that c is less than the 50% of the sum of a and b by 2.5, then what is the value of b?

The sum of the three numbers is 144. The ratio of the first number and the second number is 1 : 2 and the ratio of the second and third numbers is 2 : 3. Then find the first number.

If the ratio of two numbers is 5 : 3 before we add 4 to both numbers after adding 4 the ratio becomes 3 : 2. What is the difference between both numbers?

If A : B = 3 : 5, B : C = 4 : 5, then find the value of \(\frac{5A+4B}{C-5}\).

If the value of a : b = 5 : 4, then find the ratio of (a + b)² - 4ab and a² - b².

A is y% more than B. B is (y - 50)% less than C. If A > C, what is the range of values y can take?

If 3A = 5B = 6C ; then find the value of 2A + 3B + C

If two numbers are in the ratio of 4 : 5 and the sum of their square is 3321, then find the smaller number.