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Category: Logic

Question-120519

Question Number 120519 by bemath last updated on 01/Nov/20 Commented by bemath last updated on 01/Nov/20 $$\:\:\mathrm{Find}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\mathrm{x}\:. \\ $$$$\left(\mathrm{a}\right)\mathrm{2}\:\:\:\:\left(\mathrm{b}\right)\mathrm{3}\:\:\:\:\:\left(\mathrm{c}\right)\mathrm{4}\:\:\:\:\left(\mathrm{d}\right)\mathrm{5}\:\:\:\:\left(\mathrm{e}\right)\mathrm{8} \\ $$ Answered by $@y@m last…

If-a-b-c-and-d-is-real-numbers-satisfy-a-b-2-3-c-d-4-5-d-b-6-7-then-a-c-

Question Number 119814 by bemath last updated on 27/Oct/20 $${If}\:{a},{b},{c}\:{and}\:{d}\:{is}\:{real}\:{numbers} \\ $$$${satisfy}\:\frac{{a}}{{b}}=\frac{\mathrm{2}}{\mathrm{3}},\:\frac{{c}}{{d}}=\frac{\mathrm{4}}{\mathrm{5}},\:\frac{{d}}{{b}}=\frac{\mathrm{6}}{\mathrm{7}} \\ $$$${then}\:\frac{{a}}{{c}}\:=? \\ $$ Answered by Olaf last updated on 27/Oct/20 $${a}\:=\:\frac{\mathrm{2}}{\mathrm{3}}{b} \\…

I-am-thinking-of-a-two-digit-number-If-i-write-3-to-the-left-of-my-number-and-double-this-three-digit-number-the-result-is-27-times-my-original-number-what-is-my-number-

Question Number 118825 by bramlexs22 last updated on 20/Oct/20 $${I}\:{am}\:{thinking}\:{of}\:{a}\:{two}−{digit}\:{number} \\ $$$$.{If}\:{i}\:{write}\:\mathrm{3}\:{to}\:{the}\:{left}\:{of}\:{my}\:{number} \\ $$$${and}\:{double}\:{this}\:{three}\:{digit}\:{number}\:{the} \\ $$$${result}\:{is}\:\mathrm{27}\:{times}\:{my}\:{original}\:{number}. \\ $$$${what}\:{is}\:{my}\:{number}\:? \\ $$ Answered by benjo_mathlover last updated…

Question-183583

Question Number 183583 by Acem last updated on 27/Dec/22 Commented by Acem last updated on 27/Dec/22 $${A}\:{stone}\:{of}\:\mathrm{40}\:{kg},\:{i}'{ve}\:{cut}\:{it}\:{into}\:\mathrm{4}\:{diferent}\:{parts}, \\ $$$$\:{now}\:{i}\:{can}\:{use}\:{them}\:{for}\:{measure}\:{weights}\:\mathrm{1}−\mathrm{40}\:{Kg}\: \\ $$$$\:{Sure}\:{the}\:{qusetion}\:{is}\:{weight}\:{of}\:{each}\:{piece}? \\ $$$$\:{But}\:{by}\:{a}\:{logical}\:{solution}\:{not}\:{by}\:{experiment},\:{please}! \\ $$$$…