Let the number of Boys be ‘x’ Sum of ages of boys = x x 16 Sum of ages of girls = (400 - x ) x 12 According to question, x × 16 + (400 - x) × 12 = 400 × `14 (3/4)` 16x + 4800 - 12x = 400 × `59/4` 4x + 4800 = 5900 4x = 1100 x = 275 Number of girls = 400 - 275 = 125
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at varianc...
Statements:
Only a few player is team
Only a few team is sport
No sport is game
Conclusions:
I. All team can be playe...
Statements:
Only Black is Red.
No Black is White.
Some White are Brown.
Conclusion:
Some Brown can be Red.
...Statement:
All arts are physics
All accounts are physics
Conclusion:
I. Some physics are arts.
II. Some accou...
Statement:
All badmintons are rackets.
Some rackets are rubbers.
No rubber is a string.
Conclusion:
I. Some strin...
Statements: Some badminton are sports.
No sports is a player.
Conclusions: I. Some badminton are not player.
II. Some playe...
Statements:
Some hellos are byes.
Some byes are hi.
All hi are long.
All long are far.
Conclusion:
Statements:
Some Gases are not Solids.
All Solids are Liquid.
Only a few Liquid are Precipitation.
Conclusions:
Statements :
Only a few Toy is Game.
All Games are Players.
No Player is Sport.
Conclusion :
I. At least some Pla...
Statement:
Only a few P are Q
Only a few Q are P
Conclusion:
I. All Q bei...
