Q. 394.4( 5 Votes )

# If the present age of Ramandeep is n years, then her age after 7 years will be __________.

Answer :

The present age of Ramandeep is n years

Every year her age will be increasing (adding)

After 7 years, her age will be added by 7 to his present age

After 7 years her age = present age + 7

= n +7

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Add without using number line:

(a) 11 + (-7)

(b) (-13) + (+18)

(c) (-10) + (+19)

(d) (-250) + (+150)

(e) (-380) + (-270)

(f) (-217) + (-100)

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