Advertisements
Advertisements
प्रश्न
A bus is moving with a speed of 65 `1/2` km per hour. How much distance will it cover in 1 `1/3` hours.
बेरीज
Advertisements
उत्तर
Speed of bus per hour = 65`1/2`
`= (2 xx 65 + 1)/2 = (130 + 1)/2 = 131/2` km
Time taken = `1 1/3` hour = `4/3` hour
`= 131/2 xx 4/3 => 131/1 xx 2/3`
Distance covered = Speed × Time
`= 131/2 xx 4/3`
`= (131 xx 2)/(1 xx 3) = 262/3 = 87 1/3` km
shaalaa.com
Concept for Problem Solving Using Operations on Rational Numbers
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Add: `(-7)/25 "and" 9/-25`
Add: `1/-18 "and" 5/-27`
Evaluate: `(-2)/5 + 3/5 + (-1)/5`
Evaluate: `5/-24 + (- 1)/8 + 3/16`
Subtract:
`(-3)/10 "from" 1/5`
Subtract: `(- 8)/15 "from" 0`
Evaluate: `(-45)/39 xx (-13)/15`
Evaluate: `((-8)/9) xx ((-3)/16)`
Evaluate: `((-5)/9 xx 6/-25) + (24/21 xx 7/8)`
Evaluate: `7/-27 + 11/18`
