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Let the distance to be travelled be ‘x’ km Time taken when speed is 24 km/hr = (x/24) hours Time taken when speed is 40 km/hr = (x/40) hours According to the question, (x/24) – (x/40) = 2 Or, 5x – 3x = 2 × 120 Or, 2x = 240 km Or, x = 120 km Time taken to travel 120 km with speed of 24 km/hr = 120/24 = 5 hours Therefore, he started at 12 – 5 = 7 a.m. Therefore, required speed to reach the destination at 11 a.m. or 4 hours = 120/4 = 30 km/hr
Statements: All cans are vessels.
Some vessels are jars.
All jars are containers.
Some conta...
Statements:
Each hand is pump.
Every pump is tap.
Some hand are water.
Conclusions:
I. Some pump are water.
II. No water is tap.
III. Some tap are hand.
Statements:
Only a few subject is colour
Only few colour is game
Only game is mobile
Conclusions:
I. Some colour bein...
Statements: All flowers are books.
All books are carpets.
Some carpets are keys.
Some keys are locks.
Conclusions:I. Some ke...
Statement:
Only a few D are N.
No N are C
Conclusion:
I. Some D are not C
...Statements : Some fathers are mother.
All mothers are son.
...Statement:
Only a few P are Q
Only a few Q are P
Conclusion:
I. All Q bei...
If all the letters in the word ‘SWEATSHIRT’ are arranged in alphabetical order from left to right such that the vowels are arranged first foll...
Statements:
Some Mobile are Sim
All Mobile are Cable
No Cable is an Adapter
Only a few Cups are Adapter
Statements:
All Textiles are Clothes.
Only few Clothes are Inputs.
Only few Inputs are Output.
No Output is a Unit.
C...
