): निम्नलिखित प्रश्नों में दो समीकरण I और II दिए गए हैं। आपको दोनों समीकरण हल करनें हैं और उसके आधार पर प्रश्नों के उत्तर देने हैं , यदि -
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Find the third proportion of √ 2, √ 7 and √ 21.
The ratio of the monthly salary of Supriya to that of Mohini is 3 : 5. Supriya and Mohini both save 30% and 42% respectively of their monthly salaries r...
The ratio of the two numbers is 4:9. 140% of the first number is equal to the 70% of the second number. Find the sum of both the numbers.
A starts a business with Rs. 5650. After 8 months, B joins with A as his partner. After one year the profit is divided in the ratio 5:8. What is B&rsquo...
The ratio of the two numbers is 7:15. 120% of the first number is equal to the 70% of the second number. Find the sum of both the numbers.
The ratio of the number of girls to the number of boys in a school of 720 students is 3 : 5. If 18 boys left the school, find how many new girls ...
Rs.14000 was divided among A, B and C in the ratio 2:2:3. B kept Rs.1200 for himself, gave Rs.600 to his mother and divided the remaining money among hi...
There is a mixture of 70 liters of apple juice and water in a vessel. The ratio of apple juice to water is 3:4. If 21 liters of the mixture is taken out...
Marks scored by A and B in a test are in the ratio 12:5 respectively. If B had scored 5 more marks, then marks scored by A would be 20% more than that o...
The number of students in class IX and class X is 70 and 75, respectively. The ratio of the number of boys to girls in classes IX and X is 9: 5 and 8: 7...