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In a school there are 20 girls. The average age of the girls is decreased by 2 months when one girl aged 18 years is 8 replaced by a new girl. What is t...
The heights (in cm) of 9 basketball players in a tournament are as follows: 178, 182, 175, 180, 184, 179, 177, 181, 183
Find the median height of...
At present Ashish age is 5times Garima’s age and 2(1/2) of Aanchal’s age. After 9 years Ashish will be 2 times Garima’s age. What is A...
The birth year of three siblings are consecutive. The present age of the eldest sibling is 10% more than the present age of the youngest sibling. What i...
The present ages of A and B are in the ratio 4:5. Sixteen years from now, B's age will be 15% more than A's age at that time. If C's current age is thre...
The current age ratio of Riya to Renu is 4:7. In eight years, the combined age of Riya and Renu will total 93 years. What is Riya's current age?
The ratio of the present ages of a son and his father 3:7 and that of his mother and father is 6:7. Four years ago, the ratio of the age of the son that...
The present age of Preeti is twice Ruchi’s present age. Six years ago, their average age was 15 years. What will be the Preeti’s age after f...
