Question
Which base is present in
soap?Solution
Sodium hydroxide, also known as lye, is used in the production of soap.
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...
A is younger than B by 4 years. If the ratio of A and B ages is 9:10 respectively, then find the age of A.
The current ages of Raman and Raghav are in the ratio of 5:4. In six years, their ages will have a ratio of 11:9. What was the ratio of their ages ten y...
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 current age of Gina is five times that of Henry. 8 years from now, Gina's age will be twice the age of Ian at that time. If Henry is 3 years younger...
The present age ratio of X to Y's age five years ago is 7:9. Ten years from now, the combined ages of Y and Z will total 115 year...
The ratio of the present ages of Ginni and Binni is 8:3 respectively. Ginni is ‘n’ years older than Binni. If after 4 years, the ratio of the ages o...
Five years ago, the ratio of the age of Tarun to that of Ayush was 6 : 11. Umesh is 10 years older than Tarun. Umesh is ten years younger than Ayush. Wh...
The average ages of A, B and C is 20% more than the average ages of A and B. 10years hence from now, the ratio of the ages of A and C will be 3:5, respe...
Three years from now, Aman's age will be 80% greater than what it was five years ago. The average of Aman's current age and Bishn...
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