How many even numbers are there in the following sequence of numbers whiich are immediately followedby an odd number as well as immediately preceded by an even number ? 8 6 7 6 8 9 3 2 7 5 3 4 2 2 3 5 5 2 2 8 1 1 9
In a school, the following codes were used during physical exercise. '1' means 'start walking', '2' means 'keep standing', '3' means 'start running at the same spot', '4' means 'sit down'. How many times will a student who performs the following sequence without error from the beginning to the end have to sit down ? 1 2 3 4 2 3 1 4 4 3 2 2 1 2 4 3 1 4 4 1 2
If the numbers from 5 to 85 which are exactly divisible by 5 are arranged in descending order, which would come at the eleventh place from the bottom ?
In the following number sequence, how many such even numbers are there which are exactly divisible by its immediate preceding number but not exactly divisible by its immediate following number ? 3 8 4 1 5 7 2 8 3 4 8 9 3 9 4 2 1 5 8 2