- 70
- 80
- 90
- 100
- c
-
Ratio between boys & girls=4:
Sum of Ratios=4+5=9
Easily divisible answer is=90
Number of boys=4/9*90=40
Number of Girls=5/9*90=50
Total Students on Trip=40+50=90
IBA Sukkur
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15 men hired to plough a piece of land in 10 days. To complete the same job in three days more number of men is required:
- 35
- 40
- 50
- 55
- a
-
No of Men=15
No of Days=10
Total Time(hr)=15*10=150
Men requited to complete=150/3=50
More Requited to do same job in 3 days=50-15=35
Ahmed spent 2/3 of his saving on a used car and he spent ¼ of his remaining saving on a new carpet. If the carpet costs him Rs.250 then the amount spent by him on the car is:
- 2000
- 3000
- 3500
- 4000
- a
-
Total Saving= x
Spent on Car=2/3(x)
Remaining Amount=X-2/3(x) =(3x-2X) / 3=X/3
Carpet= 1/4 of remaining amount
=1/4*X/3=X/12
Amount of Carpet=250
X/3=250
X=250*12=3000
Amount spent on Car=2/3(X)
2/3 (3000)=6000/3000=2000
The amount spend on car=2000
In Math there are 60 problems which were to be done in 1 hour. A student completes 30 problems in 20 minutes, the average time in seconds for completing each of the remaining problem is:
- 70
- 80
- 90
- 98
- b
-
Total Problems=60
A Student completes 30 Problems in 20 minutes
Remaining Problems=60-30=30
Ramingining Time=60-20=40
30 Problems solved=40 minutes
01 Problem solved=40/30*60=80 Seconds
The average of 5 numbers is 13. If the average of 4 of these numbers is 10, then fifth number is _____
- 25
- 35
- 40
- 45
- a
-
Average of 4 numbers=10 (40/4=10)
Average of 5 numbers=13 (65/5=13)
Difference of sum=65-40=25
Fifth number=25
If f(x)=3x-3 then _____
- f(1)=2
- f(1)=1
- f(1)=0
- f(1)=3
- c
Tick the false statement:
- “__” is a binary operation on N
- “/” is not a binary operation on N
- “+” is a binary operation on N
- “x” is a binary operation on N
- a
-
Addition, Subtraction, Multiplication and Division are examples of Binary Operations.
Anwar has six times as much money as Meera. If Anwar gives Rs.80 to Meera, both of them will have equal amounts of money. At the beginning Meera has money ____
- 32
- 62
- 82
- 192
- a
The value of (1-Cos2x) X (1+Cot2x)=_____
- 1
- 2
- 4
- a
Find out the correct spelling:
- Mentenance
- Maintenance
- Maintanance
- Mantinance
- b
-
Maintenance دیکھ بھال