In a flight of 600 km, an aircraft was slowed down due to bad weather. Its average speed for the trip was reduced by 200 km/hr and the time of flight increased by 30 minutes
What is 1 hour
100
-3+9
What is 6
100
What is 9(3−2x)=2(10−8x)
7/2 or equivalent
200
What you add to a number to get zero
What is Additive Inverse
200
a(b+c)=ab+ac
What is distributive property
200
A man complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr find the final journey u n km
What is 224 km
200
-6+12
What is 6
200
Which decimal is equivalent to 6/11
54 repeated
300
step-by-step solution to a problem
What is Algorithm
300
3x4x2=3x4x2
What is associative property
300
The ratio between the speeds of two trains is 7 : 8. If the second train runs 400 kms in 4 hours, then the speed of the first train is...
What is 87.5 km/hr
300
-300+58
What is -242
300
Which equation has both 4 and −4 as possible values of y?
y2=16
400
A statement that is regarded as being accepted
What is Axiom
400
5x1=5
What is multiplicative property
400
A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is....
What is 71.11km/hr
400
-87+35
What is -52
400
A : 2A/3 = 8 + 4A
What is A = -2.4.
500
Manipulation of numbers
What is Basic rules of arithmetic
500
5+0=5
What is Additive property
500
A car travelling with 5/7 of its actual speed covers 42 km in 1 hr 40 min 48 sec. Find the actual speed of the car.