Question

Fill in the Blanks.
9 tens – 18 ones = _________ .
10 less than 91 is _________ .
A number – _________ is equal to its previous number.
On subtracting 1 from a number, it becomes 1 more than 69. The number is _________ .
15 + 25 – 2 tens = _________ .

Answer 1

Step-by-step explanation:

(1) 9 tens - 18 ones -

90 - 18 = 72

(2) 10 less than 91 is -

91 - 10 = 81

(3) On subtracting 1 from a number , it becomes 1 more than 69. The number is -

71 - 1 = 69 + 1 = 70

(4) 15 + 25 - 20 = 20

Answer 2

Answer:

90-18=72.

91-10=81

Here the number us 72 and on subtracting it beco.es71-1=69+1=70 15+25-20=20 is the answer.

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