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

(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?

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.

Four milkmen rented a pasture. A grazed 24 cows for 3 months, B 10 for 5 months, C 35 cows for 4 months and D 21 cows for 3 months. If A's share of rent is ₨ 720, find the total rent of the firld___

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?

My present age is 11 yrs 7 month 10 days. Let me calculate, after how many years I shall be eligible to cast my vote.

A man saves Rs. 75 in the first month and in each of the succeeding months he saves twice as much as in the previous month. This process continues for 8 months. From the 9th month and onwards he could save Rs. 75 less than in the previous month. Find his total savings in 16 months.