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Question 1
One year ago, a father was four times as old as his son. After six years his age exceeds twice his son’s age by 9 years. The ratio of their present age is
Question 2
In a family, the age of father, mother, son and grandson are A, B, C and D, respectively. Given that, A - B = 3, B + C = 78, C + D = 33 and the average age of the family as 34 yr, then B - C is
Question 3
in the triangle ABC, then base BC is trisected at D and E. The line through D, parallel to AB meets AC at F and line through E parallel to AC meets AB at G. Let EG and DF intersect at H. What is the ratio of the sum of the area of parallelogram AGHF and the area of the triangle DHE to the area of the triangle ABC?
Question 4
A one meter long and 5 cm wide ribbon is bent at 60 cm from the one end by an angle of 
and punched such that some portion of the ribbon is overlapped. What area was reduced due to bending?
and punched such that some portion of the ribbon is overlapped. What area was reduced due to bending?
Question 5
One year ago, a father was four times as old as his son. After six years his age exceeds twice his son’s age by 9 years. The ratio of their present age is
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Apr 21CDS & Defence
