book Maths Puzzle Numerical Ability

(8x+2y)-(5x+4y)=

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book Other Question

One Kilogram is approximately 2.2 pounds. A British Airways ticket shows that the weight limi on a checked in baggage is 32 kilograms for a certain route. Which of the following numbers is closest to the weight limit on this route? If 40rpm = 29kg How many rpm = 40 kgs

gven 29 kgs = 40 rpm therefore
1 kg = 40 divided by 29 = 40/29
40 kgs = 40/29 multiplied by 40 = 1600/29 = 55.17 kgs