percentage

Three candidates contested an election and received 1136, 7636 and 11628 votes respectively. What percentage of the total votes did the winning candidate get?
A.     57%    B.     60%
C.     65%    D.     90%
Answer & Explanation

Answer: Option A

Explanation:

Total number of votes polled = (1136 + 7636 + 11628) = 20400.

Required percentage =         11628     x 100     % = 57%.
20400

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12.

Two tailors X and Y are paid a total of Rs. 550 per week by their employer. If X is paid 120 percent of the sum paid to Y, how much is Y paid per week?
A.     Rs. 200    B.     Rs. 250
C.     Rs. 300    D.     None of these
Answer & Explanation

Answer: Option B

Explanation:

Let the sum paid to Y per week be Rs. z.

Then, z + 120% of z = 550.

z +     120     z = 550
100

11     z = 550
5

z =         550 x 5       = 250.
11

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13.

Gauri went to the stationers and bought things worth Rs. 25, out of which 30 paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items?
A.     Rs. 15    B.     Rs. 15.70
C.     Rs. 19.70    D.     Rs. 20
Answer & Explanation

Answer: Option C

Explanation:

Let the amount taxable purchases be Rs. x.

Then, 6% of x =     30
100

x =         30     x     100     = 5.
100     6

Cost of tax free items = Rs. [25 – (5 + 0.30)] = Rs. 19.70

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14.

Rajeev buys good worth Rs. 6650. He gets a rebate of 6% on it. After getting the rebate, he pays sales tax @ 10%. Find the amount he will have to pay for the goods.
A.     Rs. 6876.10    B.     Rs. 6999.20
C.     Rs. 6654    D.     Rs. 7000
Answer & Explanation

Answer: Option A

Explanation:

Rebate = 6% of Rs. 6650 = Rs.         6     x 6650         = Rs. 399.
100

Sales tax = 10% of Rs. (6650 – 399) = Rs.         10     x 6251         = Rs. 625.10
100

Final amount = Rs. (6251 + 625.10) = Rs. 6876.10

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15.

The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is:
A.     4.37%    B.     5%
C.     6%    D.     8.75%
Answer & Explanation

Answer: Option B

Explanation:

Increase in 10 years = (262500 – 175000) = 87500.

Increase% =         87500     x 100     % = 50%.
175000