Section : Quantitative Aptitude
If the intersection point of the equations 3p − 2q + 23 = 0 and −2p + q − 13 = 0 on the graph is (p, q), then the value of (3p + q) is equal to:
The age of a tree depends on the number of rings in the trunk. The value of such a tree is proportional to its age. If a tree with 40 rings and 50 years of age has a value of rs.50,000, then a tree with 30 rings is ___ years of age and its value is rs. ___.
The total income of three families is ₹72,000. Their expenditures are 80%, 85% and 75%, respectively. If the savings are in the ratio 8 : 9 : 20, then the income of the second family is:
△XYZ is similar to △PQR. If the ratio of the perimeter of △XYZ to the perimeter of △PQR is 16 : 9 and PQ = 3.6 cm, then what is the length (in cm) of XY?