Data Analysis a...

Find the percentage of impurity in the mixture.

I. A discount vendor professes to sell his at the cost price and mixes with impurity and thereby gain 25%.

II. If in 45 kg of the mixture, $\frac{5}{2}$ times quantity of impurity is equal to 150% of $\frac{2}{3}$ of the quantity of the whole mixture.

III. The ratio of the quantity of pure wheat in the mixture to the total quantity of the mixture in 3 : 5. (Mixture is made of pure wheat and impurity)

Quantity A: Percentage increase in Total surface area. Sphere of 7 cm radius is cut into two hemispheres.

Quantity B: Find the number on which NEATS will come. All the words made from letters of word NEATS are arranged in alphabetical order.

Quantity A: Find the sum given at 8%. A part of 16000 is given at 8% and other at 12% for 3 years under simple interest. Total interest after 3 years is Rs. 4680.

Quantity B: Amount if Rs. 8000 is invested at double the rate for 1 year. Amount invested under simple interest doubles itself in 16 years.

Quantity A: A dishonest dealer promises to sell his goods at a 30% loss but uses 20% less weight. Find his actual loss.

Quantity B: A shopkeeper promises to sell his goods at x% profit but uses 25% less weight thus gains 40%. Find x%.

Quantity A: What sum of money at CI will amount to Rs. 2893.80 in 3 years, if the rate of interest is 4% for the first years, 5% for the second year and 6% for the third year?

Quantity B: CI on a sum of money for 2 years at 5% per annum is Rs. 2173. SI on the same sum of money at the same rate of interest for 2 years will be:

There are 700 students in a class. Each of them selects either one or more of the given subjects: Mathematics, Science and Music. How many students select only Mathematics?

I. 47% of the students take Music. 18% of the students take only science and 12% of the students take only science and Mathematics.

II. 48% of the students take either two or more of all of the given subjects. 36% of the students do not like Mathematics.

Quantity of milk in the final mixture C is how much more or less than the quantity of water in the final mixture of B?

Find the ratio of water in the final mixture of D and E together to the milk in the final mixture of A and C together.

Final mixture of G is what percent more or less than the final mixture of E.

If 20% of the final mixture of B is sold, then find the water content in the remaining mixture.