**Q1. 0.05 is what % of 0.5?**

(a) 1%

(b) 0.1%

(c) 10%

(d) 100%

**Q2. One liter of water evaporates from 6 liters of sea water containing 4% salt. Find the % of salt in the remaining solution?**

(a) 7.5%

(b) 4.5%

(c) 4.8%

(d) 8%

2. Ans.(c)

Sol.

Salt in sea water = 4% × 6 = .24

After evaporation of 1L of sea water remaining water is = 5 liters

Required % of salt in the remaining solution =.24/5=4.8%

**Q3. In an election with only two contestants the candidates who gets 30% of the votes polled is defeated by 15000 votes. What is the number of votes polled?**

(a) 112350

(b) 10580

(c) 26250

(d) 37500

3. Ans.(d)

Sol.

Let the total vote polled = 100x

According to question,

70x – 30x = 15000

x =15000/40

x = 375

So, total vote polled = 37500

**Q4. If in a fraction, numerator is increased by 200% and denominator by 500%, then the new fraction is what % of previous fraction?**

(a) 25%

(b) 45%

(c) 60%

(d) 50%

**Q5. To a sugar solution of 3 liters containing 40% sugar, one liter of water is added. Find the percentage of sugar in new solution?**

(a) 30%

(b) 35%

(c) 42.5%

(d) 37.5%

**Q6. If the price of a computer is reduced by 20% and the sale is increased by 80%, by what percent the net revenue is increased?**

(a) 34%

(b) 24%

(c) 14%

(d) 44%

**Q7. If the height of cone is increased by 200%. what is the percentage increase in the volume?**

(a) 200%

(b) 300%

(c) 150%

(d) 100%

**Q8. The length of a rectangle is increased by 20% and breadth is decreased by 20%. What is the percentage change in area?**

(a) 4% decrease

(b) 4% increase

(c) No change

(d) 1% increase

**Q9. A’s income is 25% more than B’s. How much is B’s income less than that of A?**

(a) 25%

(b) 20%

(c) 33 1/3%

(d) None

**Q10. a% of b is b% of:**

(a) a

(b) 1000a

(c) a/100

(d) b/100

**Q11. A student multiplied a number by 3/5 instead of 5/3. What is the percentage error in calculation?**

(a) 64%

(b) 36%

(c) 16%

(d) 4%

**Q12. The value of machine is depreciated at the rate of 10% per annum. What is its value after 2 years, if its present value is Rs. 2,00,000?**

(a) Rs. 131220

(b) Rs. 162000

(c) Rs. 232000

(d) Rs. 150000

**Q13. If x% of y is 200 and y% of z is 800, then find a relation between x and z**

(a) 2x = z

(b) 4x = z

(c) 3x = z

(d) x = z

**Q14. The price of wheat falls by 25%. By what percentage a person can increase the consumption of wheat so that his overall budget does not change?**

(a) 25%

(b) 45%

(c) 50%

(d) 33.33%

**Q15. A person spends 75% of his salary on household affairs and 15% on conveyance, saving the remainder. If his saving at the end of the year be Rs. 6396, what is his annual salary?**

(a) Rs. 63960

(b) Rs. 78100

(c) Rs. 65300

(d) Rs. 89800