The number of non negative integers which are less than 1000 and end with only one zero is

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Solution

0 itself is a non negative integer(single digit).

9×1 = 9 integers which end in exactly one 0(2 digit numbers).

9×9×1 = 81 integers which end in exactly one zero (3 digit).

Thus, 91 numbers are there which satisfy this condition.

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Which is a pair of integers whose sum gives

(a) a negative integer (b) zero

(d) an integer smaller than only one of the integers. (e) an integer greater than both the integers.

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(1) +4 one the number line will be to ……… of zero.

(2) Total number of integers from −2 to +5 is …….

(3) ……. is the only number which has no positive or negative sign.

(4) {−1, −2, −3,……} are …….integers.

(5) …….is the next number greater than −5

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