**Question 1:**

Find the ratio of milk tower in a heterogeneous mixture that gives a profit of 15% when sold at the cost price of pure milk?

a. 20:23

b. 20:3

c. 23:20

d. 3:2

**Question 2:**

In how many ways can 5 men and 5 women can be seated around a circular table having 10 seats such that no man is seated next to another man and no woman is seated nest to another woman?

a. (4!)2

b. 9!

c. 4! * 5!

d. (5!)2

**Question 3:**

Out of 9 consonants and 3 vowels, how many words of 4 consonants and 2 vowels can be formed?

a. 272160

b. 90720

c. 720

d. 378

**Question 4:**

Ananya, Bindiya and Cinthiya are 3 sisters. On Mother’s Day, they decided to buy microwave oven for their mother by contributing from all three of them. They check the price by calling in the store. Since Ananya is the eldest, her share is 40%, Cinthiya is the youngest and her share is 25% and the rest of the amount is put by Bindiya. With this amount, they go to the store and see that there isa discount of 10% on Microwave oven. Because of the discount, Bindiya gets Rs 700/- back based on her share. How much did they pay for the oven, after the discount?

a. Rs 17,500/-

b. Rs 20,000/-

c. Rs 18,000/-

d. Rs 19,000/-

e. Rs 18,500/-

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