The theme for the 3rd Indian Analytical Congress (IAC), held at CSIR-IIP in Dehradun, is "Role of Science and Technology in Green Transitions." This theme highlights the congress's focus on sustainable technological solutions within the field of analytical sciences, fostering a synergy between environmental sustainability and scientific advancement.
Shivank purchased a total of 630 kg of wheat, rice, and pulses in the ratio 3:2:4, respectively. After selling 70% of the wheat, 40% of the rice, and 40...
If the diagonal of a square is increased by 4 cm, its area increases by 56 cm2 . Find the ratio of the new area of the square to the initial ...
A girl spent 20% of her monthly income on clothing. Of the remaining, she spent on travel and food in the ratio of 3:2. If the difference of the income ...
Three numbers are in the ratio 4:5:6. If the sum of the largest and smallest numbers is 60 more than the middle number, what is the largest number?
The salaries of Ravi and Sumit are in the ratio 4: 5. If the salary of each is increased by Rs6,000 the new ratio becomes 35:40. What will be Sumit's in...
By mistake, instead of dividing Rs. 564 among P, Q and R in the ratio 1/3 : 1/4 : 1/5 it was divided in the ratio of 3 : 4 : 5. Who gains the most and b...
In what ratio should coffee powder costing Rs 2500/kg be mixed with coffee powder costing Rs 1500/kg so that the cost of the mixture is Rs 2250/kg?
A woman distributed her savings between her daughters A, B, C and D in the ratio 6 : 7 : 9 : 16. If A gives Rs. 600 from his share to C, the ratio of sh...
In a class, the number of students studying English and Math is in the ratio 3:4. If 12 additional students join the Math group, the ratio of students s...
In an exam, Neha scored 10 marks less than the passing marks while Rahul scored 25 marks more than the passing marks. If the rati...
