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Let the speed of boat in still water be x km/hr and the distance be y km. Rate downstream = (x + 2) km/hr Rate upstream = (x – 2) km/hr According to the question, y/(x + 2) = 4 --- (i) y/(x – 2) = 9/2 --- (ii) On dividing equation (i) by (ii), (x – 2)/(x + 2) = 4/(9/2) = 8/9 9x – 18 = 8x + 16 x = 18 + 16 = 34 kmph
Three of the following words are alike in some manner and hence form a group. Which word does NOT belong to that group? ( The words must be considered...
Which of the following sequences represents the correct English dictionary order of the following words?
1. Approach
2. Approval
Scientists using NASA telescopes have detected “a strong water signature” in the atmosphere of a distant Neptune-sized planet, which could h...
How will "Keep Fear From" will be coded in the given language?
Statement:
Few A are B
All A are D
All B are C
Conclusion:
I. Some A are C <...
If in a certain code language ‘+’ represents ‘×’, ‘–’ represents ‘+’, ‘×’ represents ‘÷’ and ‘÷’ represents ‘–’....
Ramky Enviro Engineers Ltd. will begin conservancy operations in the Teynampet zone of the Chennai Corporation next week and expand to Kodambakkam and A...
Select the option that represents the letters that when placed from left to right in the blanks below will complete the letter series.
M _ Q _ R ...
Which two signs should be interchanged to make the given equation correct?
200 + 180 ÷ 12 × 9 ̶ 55 = 120
A is father of F and J. E is mother of C, K is son of F. K is the only brother of C. E is daughter-in-law of B. B has only one daughter and one son. Whi...
