P says to Q “I am four times as old as you were when I was as old as you are”. The difference between their ages is 15 years. Find the sum of their ages?
P says to Q “I am four times as old as you were when I was as old as you are”. P = 4[Q- (P-Q)] P = 4Q – 4P + 4Q 5P = 8Q ………………….(i) P – Q = 15 …………………(ii) By solving (i) and (ii), we get Q = 25 & P = 40 Therefore, sum of their ages = 40 +25 = 65 years
Which one of the following pairs of islands is separated from each other by the ‘Ten Degree Channel’?
Consider the following statements with reference to the Peninsular block of India:
1. The Thar Desert is part of the Peninsular block.
2. ...
Gandikota canyon of South India was created by which one of the following rivers?
Which of the following is a landlocked country.
With reference to river Tapi, consider the following statements:
1. It originates from Amarkantak plateau.
2. Purna and Panjhra are import...
Block Mountain is located at________
Which of the following Indian state has the largest coastline?
Which river is known as the 'Sorrow of Bengal.
Another name of Carborundum is
Consider the following statements with reference to the features of Himalayas:
1. These mountains are tectonic in origin.
2. These are you...
