Find the fourth proportion to 2, 3, 6

What must be added to each term of the ratio 2 : 5 so that it may equal to 5 : 6?

A dog takes 3 leaps for every 5 leaps of a hare. If one leap of the dog is equal to 3 leaps of the hare, the ratio of the speed of the dog to that of the hare is

If three numbers in the ratio 3 : 2 : 5 be such that the sum of their squares is 1862, the middle number will be

The salaries of A, B and C are of ratio 2:3:5. If the increments of 15%, 10% and 20% are done to their respective salaries, then find the new ratio of their salaries.

Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is

Gold is 15 times as heavy as water and copper is 7 times as heavy as water in what ratio should these be mixed to get an alloy 13 times as heavy as water?

In a college, the ratio of the number of boys to girls is 8 : 5. If there are 200 girls, the total number of students in the college is

Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs.4000, the new ratio becomes 40 : 57. What is Sumit present salary.

If A : B = 2 : 3, B : C = 4:5 and C : D = 6 : 7, then find the value of A : B : C : D

324 × 99 =

If perimeter of a triangle is 100 cm and the length of two sides are 30 cm and 40 cm, the length of third side will be:

Corresponding sides of two similar triangles are in the ratio of 2:3. If the area of the small triangle is 48 sq.cm, then the area of large triangle is:

In ∆ ABC, AB = AC and ∠B = 50°. Then ∠C is equal to

In ∆ PQR, ∠R = ∠P and QR = 4 cm and PR = 5 cm. Then the length of PQ is

In triangle ABC, if AB=BC and ∠B = 70°, ∠A will be:

In triabgle ABC, C is the midpoint of BD, AB=10cm ,AD=12 cm AC=9cm find BD ?

In triangle ABC, AB=8cm BC=10cm and AC=12cm if AD is the length of the median drown to BC. Find the length of AD ?

ABC is a right angled triangle AC=52cm BC=48cm