10. Find 'the fourth number : (চতুর্থ সংখ্যাটো কি?) : 360 : 630 :: 924 : ?
Ans. a) 429 b) 492
c) 294 d) 249
Answers
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Answer:
product of means =product of extremes
360*x=630*924
360*x=582120
x=582120/360
x=1617
hope it helped you
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