A truck travels a distance of 240 km in 6 hours, partly at a speed of – InterviewSolution

1.	A truck travels a distance of 240 km in 6 hours, partly at a speed of 60 km/ hr and partly at 30 km/ hr. Find the time for which it travels at 60 km/ hr.
Answer» hese ANSWER LET the truck TRAVELS for ?t? hour at 60 km/hr. ∴60×t+30×(6−t)=240 ⇒60t+180−30t=240 ⇒30t=60 ⇒t=2hr. ∴ Truck travels 2 HOURS at 60 km/hr.

Discussion

No Comment Found

Related InterviewSolutions

What is Rational Numbers ??Where are you Bunny ?? What happen Any Problem Bro ಠ︵ಠ
Observe the following table and find x is directly proportional
What is Rational Numbers ?Answer if ur boy ? Answer if ur Ashrith Im serious
ABCD is a parallelogram if the ratio sides 3,:2and perimeter is 120 m the find the length of the sides of the parallelogram
6. Find the area of the following polygohABCDEF where AP = 2 cm, AQ = 4 cm,AR = 6 cm, AD = 10 cm, AS = 8 cm, andBP, FQ, CR and ES are perpendiculars todiagonal AD
5y+10=4y-10 then what is the answer
*5. How do the prashastis written by Harisena and Ravikirti throw light on the history of theGuptas and Harshavardhana?
The product of two number is 27 /2 .If one number is 23/5,find the other. with solution
Evalute the expression given below for ( m = - 2 ) & ( n = 6 ) 3m³ + 2m²n + n³
Evalute the expression given below for ( m = - 2 ) & ( n = 6 )m² - n²