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Let the present age of A be 5x and the present age of B be 7x. After 6 years, their ages will be (5x + 6) and (7x + 6). The sum of their ages after 6 years = 72, so: (5x + 6) + (7x + 6) = 72, 12x + 12 = 72, 12x = 60, x = 5. Present age of A = 5x = 5 × 5 = 25 years.
In a certain code language, GAMBLE is coded as PDEHOE, HAMPER is coded as PDKUHS. What is the code for FRANCE in that code language?
If ‘PSDIFTUSB’ is coded as ‘SP4JG20TR2’ and ‘DBMDVMBUF’ is coded as ‘BD13EW13AT6’ then, what is the code for ‘EJGGFSFOU’ in the sam...
What is the code for ‘waited’ in the code language?
In certain code language, ‘APPLICATION’ is coded as ‘ETTPMGEXMSR’. How will ‘DETERGENT’ be coded in that language?
...What is the code for ‘hope’?
In a certain code language, 'SQUARE' is coded as '36'. Then, what is the code for ‘TRIANGLE’ in the same code language?
In a certain code language ‘CLUMSY’ is coded as ‘WQKSJA’. What is the code for 'JASMINE' in that code language?
What is the code for the word “guard” ?
In a certain code language, ‘ PLANT ’ is coded as '85139' and 'DEEP’ is coded as ‘2668’ . How will ‘DEPEND’ be coded in that langua...