- 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
- 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
- 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
- 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
- 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
- f(1)=2
- f(1)=1
- f(1)=0
- f(1)=3
- c
- “__” 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.
- Mentenance
- Maintenance
- Maintanance
- Mantinance
- b
-
Maintenance دیکھ بھال