CSS General Science and Ability MCQS Set 11

Solution set of |2x| = 6 is :

{3, -3}

{3}

{-3, 0}

{0, 3}

The average age of three boys is 25 years and their ages are in the proportion 3 : 5 : 7. The age of the youngest boy is:

9 years

21 years

15 years

18 years

Two numbers are in the ratio 2 : 3 and their H.C.F. is 6. The numbers are

0.5125

None of these

0.76875

0.5979166667

20 litres of a mixture contains milk and water in the ratio 5 : 3. If 4 litres of this mixture are replaced by 4 litres of milk, the ratio of milk to water in the new mixture will become:

0.29375

0.3354166667

0.08402777778

0.16875

The conditions for the polynomial equation ax² + bx + c = 0 to be quadratic is

a < 0

a? 0

a? 0, b? 0

a > 0

Kiran got married 6 years ago. Today her age is 1 1/4 times her age at the time of marriage. Her

5 years

4 years

2 years

3 years

When x > 0, y > 0 and x – y > 0, then :

x > y

|x/y| = 0

x < y

None of these

Which of the following ratios is the greatest ?

0.8951388889

0.7256944444

0.3020833333

0.6409722222

If the measures of the angels of a triangle are in the ratio of 1 : 2 : 3, what is the ratio of the length of the smallest side of the triangle to the length of the longest side of the triangle?

0.04513888889

0.04305555556

0.04375

0.08541666667

The value of?2 up to three places of decimal is:

1.414

1.413

1.41

1.412