Question and Answers Forum

All Questions      Topic List

Logic Questions

Previous in All Question      Next in All Question      

Previous in Logic      Next in Logic      

Question Number 23508 by math solver last updated on 31/Oct/17

Commented by math solver last updated on 01/Nov/17

q.1  ?

$$\mathrm{q}.\mathrm{1}\:\:? \\ $$

Answered by mrW1 last updated on 31/Oct/17

let′s say x minutes past to 10.  (2−(x/(60)))×5=x  10−(x/(12))=x  x=((10×12)/(13))=9.23 m=9m14s  ⇒(B) 10h 9m 14s

$$\mathrm{let}'\mathrm{s}\:\mathrm{say}\:\mathrm{x}\:\mathrm{minutes}\:\mathrm{past}\:\mathrm{to}\:\mathrm{10}. \\ $$$$\left(\mathrm{2}−\frac{\mathrm{x}}{\mathrm{60}}\right)×\mathrm{5}=\mathrm{x} \\ $$$$\mathrm{10}−\frac{\mathrm{x}}{\mathrm{12}}=\mathrm{x} \\ $$$$\mathrm{x}=\frac{\mathrm{10}×\mathrm{12}}{\mathrm{13}}=\mathrm{9}.\mathrm{23}\:\mathrm{m}=\mathrm{9m14s} \\ $$$$\Rightarrow\left(\mathrm{B}\right)\:\mathrm{10h}\:\mathrm{9m}\:\mathrm{14s} \\ $$

Commented by math solver last updated on 01/Nov/17

sir , how you write the second line?

$$\mathrm{sir}\:,\:\mathrm{how}\:\mathrm{you}\:\mathrm{write}\:\mathrm{the}\:\mathrm{second}\:\mathrm{line}? \\ $$

Commented by mrW1 last updated on 01/Nov/17

the position of minute hand is x minutes  after 12  the position of hour hand is(2−(x/(60))) hours  before 12, the hour hand moves in  one hour so much as the minute hand  in 5 minutes.

$$\mathrm{the}\:\mathrm{position}\:\mathrm{of}\:\mathrm{minute}\:\mathrm{hand}\:\mathrm{is}\:\mathrm{x}\:\mathrm{minutes} \\ $$$$\mathrm{after}\:\mathrm{12} \\ $$$$\mathrm{the}\:\mathrm{position}\:\mathrm{of}\:\mathrm{hour}\:\mathrm{hand}\:\mathrm{is}\left(\mathrm{2}−\frac{\mathrm{x}}{\mathrm{60}}\right)\:\mathrm{hours} \\ $$$$\mathrm{before}\:\mathrm{12},\:\mathrm{the}\:\mathrm{hour}\:\mathrm{hand}\:\mathrm{moves}\:\mathrm{in} \\ $$$$\mathrm{one}\:\mathrm{hour}\:\mathrm{so}\:\mathrm{much}\:\mathrm{as}\:\mathrm{the}\:\mathrm{minute}\:\mathrm{hand} \\ $$$$\mathrm{in}\:\mathrm{5}\:\mathrm{minutes}. \\ $$

Commented by math solver last updated on 01/Nov/17

god bless you sir .

$$\mathrm{god}\:\mathrm{bless}\:\mathrm{you}\:\mathrm{sir}\:. \\ $$

Terms of Service

Privacy Policy

Contact: info@tinkutara.com