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Start learning 50% faster. Sign in nowOf the listed materials, water has the lowest refractive index at 1.33, making it less dense optically compared to the others like crown glass, diamond, and kerosene.
A sum of money is divided between Rahul and Simran in a 3:4 ratio. If the total amount distributed had been increased by 20%, Rahul's share would have b...
Two numbers are in the ratio 3 : 4. When 8 is subtracted from each, the ratio becomes 2 : 3. Find the greater number.
In a college the ratio of boys and girls are in the ratio 7:9. 65% girls and 40% boys were absent. Find the girls present if the total number of student...
A is thrice as efficient as B and C is twice as efficient as B. What is the ratio of number of days taken by A, B and C when they work individually?
In a chemistry lab two beakers A and B contains 36% and 40% of spirit respectively. If two liters from A is mixed with 4 liters of B. The ratio of spiri...
A sum of Rs. 2400 was divided among three persons X, Y and Z such that if their shares were diminished by Rs, 5, Rs. 10 and Rs. 15 respectively, the rem...
Ratio of the number of pens with Sumit, Rohan, Chetan, Dheeraj and Gagan is 2 : 3 : 4 : 5 : 6 respectively. If two of them have more than 20% of the tot...