Showing Mcqs of math -- (543)

What per cent is 250 gm of 1 kg?

25%

18%

30%

34%

If 12 years are added to 2/3 age of Sulma, she will be three years olde than today. What is Sulma's  present age:

24yrs

32yrs

20yrs

15yrs

If the ratio of Ahmad's allowance to Akram's allowance is 3:2 and ratio of Akram's allowance to Aslam's allowance is 3:4. What is ratio of Ahmad's allowance to Aslam's allowance: 

4:5

9:8

3:4

5:5

If a number is multiplied by gives the same answer as when is added to it?

12

14

16

18

A tank with capacity T gallons is empty. If water flows into the tank from Pipe x at the rate of x gallons per minute and water is pumped by Pipe y, at the rate of y gallons per minute, and x is great than y, in out how many minutes will the tank be filled?

T/x-y

T/x

T(x+y)

x+y

Machine x produces w widgets in five minutes. Machinex and machine y, working at the same time, produce w widgets in two minutes. How long machine y will take while working alone to produce w widgets.

30 minutes

15 minutes, 5 seconds

10 minutes,3 sec

3 minutes,20 seconds

Ifx=2, then what is the value of x^3 +2x 2: 

8

6

0

2

2x+4x+6x=?

2x (x^2+2x 3)

3x(x)

2x (x+5)

4x+x

x^2-y^2/ x+y =?

x,y

x^2

x^2-y^2

y^2

A car travels 27km in 2 hours. How far would it travel in 7 hours:

90km

92km

93.7km

94.5km