Question
When the average age of a husband and wife and their son
was 44 years, the son got married and a child was born just one year after their marriage. When child turned to be 7 years, then the average age of the family become 38 years. What was the age of daughter-in-law at the time of marriage?Solution
At the time of son’s marriage, (Husband + Wife + Son) = 44 × 3 = 132 years and Let the age of daughter-in-law be x years Eight years after marriage, 132 + (8 × 3) + 7 + x + 8 = 190 132 + 24 + 7 + x + 8 = 190 x = 19 years
Application of Kaolin @ 5% reduces transpiration losses, this act as
Which chemical is used to stimulate latex production in rubber trees?
Maximum 'Kinnow' production in Rajasthan belongs to the districts.
Curcuma longa belongs to the family
Rennet is used for the preparation of which dairy product?
Yellow colour in papaya is due to
What is the location of glycolipids in the plasma membrane?
Which of the following is the most-important constituent for jelly making?
A rose is either a woody perennial flowering plant which has over three hundred species and tens of thousands of cultivars. The flower is popularly kn...
Browning in cauliflower is due to deficiency of