exam Maths Puzzle Numerical Ability

Three times an even interger is two less than 4 times the next lower even integer. Find the interger ?

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exam Other Question

the spanish club purchased 34 tacos for $40 to sell for a fundraiser . they purchased chicken tacos for a $1 each and beef tacos for $1.50 each. how many kind of taco did the spanish club purchase? A certain bacterial infection has 110,000 organisms at 12:00 p.m. on Wednesday at 12:30 on the same day the population was 140,000. If this growth rate has been steady, when did the infection start?