Question
Arvind's age after 19 years will be 67 years. Ravi is 4
years older than Arvind. The ratio of present ages of Samar and Ravi is 9:13. Find the age of Samar 13 years ago?Solution
Present age of Arvind = 67 – 19 = 48 years Present age of Ravi = 48 + 4 = 52 years Now, ratio between the ages of Samar and Ravi = 9:13 Since, Ravi’s age = 52 years Therefore, 13 unit = 52 years 1 unit = 4 years Similarly, Samar’s present age = 9 × 4 = 36 years Samar age 13 years ago = 36 – 13 = 23 years
The purpose of a ……………. is to reduce rotational friction and support radial and axial loads.
The standard moisture content for safe storage of orthodox seeds in gene banks is:
Which of the following statements is/are true?
Statement A: Green manure refers to the practice of growing and incorporating specific crops into ...
The lime loving plants have evolved a different metabolism and are tolerant of high soil pH. They are also called
Site of protein synthesis in a cell is
Ripening in sugarcane is enhanced by spraying _________ .
From which plant is the commercial food product “Sago” derived?
Which among the following is a frost tolerant variety of raya
Which one of the following is an animal-origin insecticide?
Bartlett’s test is used for?
Relevant for Exams:
