ca foundation mock test-indices

The number which has the same ratio to 26 that 6 has to 13 is

If four numbers 1/2, 1/3, 1/5, 1/x are proportional then x is

If A = B/2 = C/5, then A : B : C is

If a/3 = b/4 = c/7, then a+b+c/c is

If p/q = r/s = 2.5/1.5, the value of ps:qr is

If x : y = z : w = 2.5 : 1.5, the value of (x+z)/(y+w) is

If (5x–3y)/(5y–3x) = 3/4, the value of x : y is

If A : B = 3 : 2 and B : C = 3 : 5, then A:B:C is

If x/2 = y/3 = z/7, then the value of (2x–5y+4z)/2y is

If x : y = 2 : 3, y : z = 4 : 3 then x : y : z is

Division of Rs. 750 into 3 parts in the ratio 4 : 5 : 6 is

The sum of the ages of 3 persons is 150 years. 10 years ago their ages were in the ratio
7 : 8 : 9. Their present ages are

The numbers 14, 16, 35, 42 are not in proportion. The fourth term for which they will be in proportion is

If x/y = z/w, implies y/x = w/z, then the process is called

If p/q = r/s = p–r/q–s, the process is called

If a/b = c/d, implies (a+b)/(a–b) = (c+d)/(c–d), the process is called

If u/v = w/p, then (u–v)/(u+v) = (w–p)/(w+p). The process is called

12, 16, *, 20 are in proportion. Then * is

4, *, 9, 131⁄2 are in proportion. Then * is

The mean proportional between 1.4 gms and 5.6 gms is

Two numbers are in the ratio 3 : 4; if 6 be added to each terms of the ratio, then the new ratio will be 4 : 5, then the numbers are

log 6 + log 5 is expressed as

The value of log 0.0001 to the base 0.1 is

If 2 log x = 4 log 3, the x is equal to