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Start learning 50% faster. Sign in nowLet the speed of boat in still water be x km/hr and the distance be y km. Rate downstream = (x + 3) km/hr Rate upstream = (x – 3) km/hr According to the question, y/(x + 3) = 1 --- (i) y/(x – 3) = 3/2 --- (ii) On dividing equation (i) by (ii), (x – 3)/(x + 3) = 1/(3/2) = 2/3 3x – 9 = 2x + 6 x = 9 + 6 = 15 kmph
Statements: Some giraffe are zebra.
All zebra are kangaroo.
Conclusions: I. Some gir...
Statement:
Some Myntra are Ajio
Only a few Ajio are Amazon
Conclusion:
I. ...
Three statements are given, followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at varian...
Statements:
Only a few A is B
No B is C
Only a few C is D
Some D is E
Conclusions:
I). No A is C
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Some papers are pens.
No pencil is a paper.
Conclusions:I. No diary is a pencil.
II. ...
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All charts are graphs.
Some graphs are data.
Some data are details.
Conclusions:
I. Some graphs a...
Statements:
All chocolates are ice-creams.
All ice-creams are toffees.
All toffees are ...
Three statements are given followed by three conclusions numbered I, II & III. Assuming the statements to be true, even if they seem to be at variance ...
Some fans are not switches. Some switches are not coolers. All invertors may be switches.
