An aeroplane covers a certain distance at a speed of 240kmph in 5 hours. to cover the same distance in 1(2/3) hrs, it must travel at a speed of: A) 300kmph B) 360kmph C) 600kmph D) 700kmph Mastermind


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Question Number 171153 by Mastermind last updated on 08/Jun/22

$A n a e r o p l a n e c o v e r s a c e r t a i n d i s t a n c e$ $a t a s p e e d o f 240 k m p h i n 5 h o u r s .$ $t o c o v e r t h e s a m e d i s t a n c e i n 1 \frac{2}{3} h r s,$ $i t m u s t t r a v e l a t a s p e e d o f :$ $A) 300 k m p h$ $B) 360 k m p h$ $C) 600 k m p h$ $D) 700 k m p h$ $M a s t e r m i n d$
	Answered by Rasheed.Sindhi last updated on 08/Jun/22

	$T o t a l d i s t a n c e c o v e r e d i n 5 h o u r s$ $w i t h s p p e d 240 k m p h$ $= 240 \times 5 = 1200 k m$ $\overset{―}{v} = \frac{1200}{1 \frac{2}{3}} = 1200 \times \frac{3}{5} = 720 k m p h$
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