(English Medium) ICSE Class 10 - CISCE Question Bank Solutions for Mathematics

Find the sub-duplicate ratio of 9 : 16

Find the sub-duplicate ratio of `(1)/(4) : (1)/(9)`

Find the sub-duplicate ratio of 9a² : 49b²

Find the sub-triplicate ratio of 1 : 216

Find the sub-triplicate ratio of `(1)/(8) : (1)/(125)`

Find the sub-triplicate ratio of 27a³ : 64b³

Find the reciprocal ratio of 4 : 7

Find the reciprocal ratio of 3² : 4²

Find the reciprocal ratio of `(1)/(9) : 2`

Arrange the following ratios in ascending order of magnitude: 2 : 3, 17 : 21, 11 : 14 and 5 : 7

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

If x : y = 2 : 3, and y : z = 4 : 7, find x : y : z

If A: B = `(1)/(4) : (1)/(5)` and B : C = `(1)/(7) : (1)/(6)`, find A : B : C.

If 3A = 4B = 6C, find A : B : C

If `(3x + 5y)/(3x - 5y) = (7)/(3)` , Find x : y

 If a : b = 3 : 11, find (15a – 3b) : (9a + 5b). a

 If (4x² + xy) : (3xy – y²) = 12 : 5, find (x + 2y) : (2x + y).

If y (3x – y) : x (4x + y) = 5 : 12. Find (x² + y²) : (x + y)².

If (x – 9) : (3x + 6) is the duplicate ratio of 4 : 9, find the value of x.

If (3x + 1) : (5x + 3) is the triplicate ratio of 3 : 4, find the value of x.