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Question 1:

A sold a mobile phone to B at a gain of 25% and B sold it to C at a loss of 10%. If C paid ₹ 5,625 for it, how much did A pay (in ₹) for the phone?

Question 2:

The number of girls appearing for an admission test is twice the number of boys. If $30 \%$ of the girls and $45 \%$ of the boys get admission, the percentage of candidates who do not get admission is:

प्रवेश परीक्षा के लिए उपस्थित होने वाली लड़कियों की संख्या लड़कों की संख्या से दोगुनी है। यदि $30 \%$ लड़कियों और $45 \%$ लड़कों को प्रवेश मिलता है, तो प्रवेश न पाने वाले उम्मीदवारों का प्रतिशत है:

Question 3:

51% of a number is 714. What is 39% of this number?

Question 4:

A solution contains $32 \mathrm{~g}$ of common salt in $320 \mathrm{~g}$ of water. Calculate the concentration in terms of mass by mass percentage of the solution.

Question 5:

In an examination, $51 \%$ students fail in English and $45 \%$ fail in Mathematics. If $21 \%$ students failed in both the subjects and only 169 students passed in the examination, then what is the total number of students appeared in the examination?

Question 6:

The marked price of a toy was ₹ 2100, on which two successive discounts $20 \%$ and $15 \%$ were given during the sale. What was the selling price of the toy?

Question 7:

72 percent marks are required to qualify in an entrance test if the maximum marks of the exam is 650 then what is the cut off in terms of qualifying marks?

Question 8:

The income of A is 40% more than the income of B, and the income of C is 65 % less than the income of B. By what percentage is C's income less than that of A's?

Question 9:

Ravina saves 16 $\frac{2}{3}$% of her monthly income. When her monthly expenses increase by 10% (income remains the same), she is able to save ₹ 1,275 a month. Her monthly income (in ₹) is:

Question 10:

A person's salary increased from ₹ 8,100 to ₹ 9,000. What is the percentage increase in his salary?