(1) 2, 5, 11, 20, 32, 47, ?
(65) - Going from the first number to the second, you add 1*3. Going from the second to the third, you add 2*3. From the third to the fourth, add 3*3. Then 4*3, 5*3, and 6*3.
(2) 38, 36, 30, 28, 22, ?
(20) - Going from an odd number to an even number, you always subtract 2.
(3) 1, 3, 9, 27, 81, ?
(243) - Each new number is the previous number times 3.
(4) 9, 4, 10, 5, 11, 6, ?
(12) - Each new even number is 1 more than the previous odd number. The same goes for the odd numbers.
(5) 1000 miles per month, every 4000 miles
(3) - Since there are 12 months in a year, that means you drive 12000 miles per year. Divide that by 4000 miles and get 3.
(6) 13, 18, 16, 21, 19, ?
(24) - Each new even number is 3 more than the previous odd number. The same goes for the odd numbers.
(7) 4, 12, 6, 12, 36, 18, 36, ?
(108) - From one number to the next, in groups of three, multiply by 3, divide by 2, multiply by 2, then repeat.
(8) 46, 45, 43, 40, 36, ?
(31) - Subtract 1 more than you did from the previous number. Subtract 1, then subtract 2, then 3, then 4, and finally subtract 5.
(9) 20, 23, 28, 14, 17, 22, 11, ?
(14) - From one number to the next, in groups of three, add 3, add 5, divide by 2, then repeat.
(10) $25 bill, 20%
($5) - Multiply 25 by 0.2 to get the tip.
(11) 2.5 miles per hour, 12.5 miles total
(5.0) - Rate x Time = Distance, so Time = Distance ÷ Rate.
(12) 18, 9, 11, 14, 7, 9, 12, ?
(6) - From one number to the next, in groups of three, divide by 2, add 2, add 3, then repeat.
2006-06-12 01:10:40
·
answer #4
·
answered by Anonymous
·
2⤊
0⤋