10. The present age of a brother is 5 years more than that his sister.

1.	10. The present age of a brother is 5 years more than that his sister. If the sum oftheir 21 ,(6) 13 years(a) 8 years(c) 14 years(d) 7 yearsII. TRUE / FALSF
Answer» Answer: 8,13 years Step-by-step explanation: LET the sister age = x BROTHER age = x+5 sum of their AGES= 21 According to question x+x+5=21 2x+5=21 2x=21-5 2x=16 x=16/2 x=8 Thus age of sister = 8 And age of his brother = x+5 8+5=13 year

10. The present age of a brother is 5 years more than that his sister. If the sum oftheir 21 ,(6) 13 years(a) 8 years(c) 14 years(d) 7 yearsII. TRUE / FALSF

Answer»

Answer:

8,13 years

Step-by-step explanation:

LET the sister age = x

BROTHER age = x+5

sum of their AGES= 21

According to question

x+x+5=21

2x+5=21

2x=21-5

2x=16

x=16/2

x=8

Thus age of sister = 8

And age of his brother = x+5

8+5=13 year