If the sum of upstream and downstream speed is 28 km/hr and the speed of the current is 6 km/hr. Then find time taken to cover 50 km in downward?
Let the speed of boat in still water be x km/hr. According to the question, => x + 6 + x − 6 = 28 => x = 14 Downstream speed = 6 + 14 = 20 km/hr Required time = 50/20 = 2.5 hrs
Two Statements are given, followed by three conclusions numbered I, II and III. Assuming that the information given in the statement s is true, even if...
Statements:Some mugs are soaps.
Some soaps are taps.
Conclusions:I. Some taps are mugs.
II. No mugs is tap.
Statement:
All books are copy.
Only a few books are pen.
Some copy are pencil.
Conclusion:
Statements:
Some designations are descriptions
Some descriptions are securities
No security is a position
Conclusion:...
Statements:
All spoons are forks.
All plates are forks.
All forks are bowls.
Conclusions:
I. All spoons are not ...
Statements:
Only poles are wires
Only few poles are ornaments
All ornaments are copper
Conclusion:
I. All p...
Statements: No data is a number.
Some numbers are not letters.
Only letters are consonants.
Conclusions: I. All letters may be co...
Statements: Some books are notebooks.
No notebooks is a pages.
Statements:
Only a few diamond are Gold
All Silver are Gold
Only a few Silver are platinum
No Platinum is rhodium <...
Which of the following means K is grandmother in law of M?
