(a) 8 yrs 8 month 28 days + 11 yrs 8 month 18 days = How many yr, month and days ?

( c) 8 yrs 7 month 21 days × 9 = How many yr, month and days?

(d) 21 yrs 7 month 6 days × 9 = How many year, month and days?

(b) 20 yrs 11 month -10 yrs 8 month 23 days = How many yr, month and days ?

The age of my father is 52 years 8 month 20 days. My uncle is 3 years 10 month 26 days elder than my father. Let me find the age of my uncle.

My age is 10 years 11 month 18 days. The age of my younger brother is 7 years 5 months and 20 days, and the age of my elder brother is 13 yrs 8 month 12 days. Let’s find the total age of three of us.

In each day how many sperms are formed?

2 men and 6 boys together can do a piece of work in 5 days . 8 men and 3 boys together can do the same work in 3 days . In how many days 1 man and 3 boys together can do the same work ?

In a business, A invested Rs. 4000 for 8 months and Rs. 6000 for 4 months, B invested Rs. 3000 for 6 months and Rs. 5000 for 6 months. Also C invested Rs 3000 for 12 months in the same business. If at the end of the year the profit be Rs. 700, then find the profit of each of them.

The construction of our main road began in summer on 6/6/2010. It took 1 yr 3 month 18 days to finish the work. Let's calculate to find on which date the road construction work was completed.