Quantitative Aptitude - Arithmetic Ability Questions

If a1-2a+b1-2b+c1-2c = 12, then 11-2a+11-2b+11-2c value is

The points A(x,2), B(­2,1) and C(6,­3) are collinear. Find x?

Two circles touch each other at point X. A common tangent touch them at two distinct points Y and Z. If another tangent passing through X cut YZ at A and XA= 16 cm, then what is the value (in cm) of YZ?

ΔABC is right angled at B. BD is the altitude. AD is 18 cm and DC is 50 cm. Find length of BD?

Choose the odd word/letters/number/number pair from the given alternatives.

If (6x ­- 1) -­ (8x -­ 5) = 7, then the value of x is _______ .

What is the angle between the two hands of a clock when the time shown by the clock is 8 p.m.?(in degrees)

ΔABC is right angled at B. BD is an altitude. AD = 9 cm and DC = 16 cm. What is the value of BD (in cm)?