- The numerator of a fraction is decreased by 25% and the denominator is increased by 250%. If the resultant fraction is 6/5, what is the original fraction?
22/717/521/420/328/5Option E

[x – 25x/100]/[y + 250y/100] = 6/5

=>75x/350y = 6/5

=>x /y = 28/5 - What is the difference between the compound interests on Rs. 5000 for 1 years at 4% per annum compounded yearly and half-yearly?
42638Option B

When compounded yearly, Student = 200

When compounded half – yearly

r = 2%, n = 2

Interest = 202

Difference = 202 – 200 = 2 - A profit of 8% is made by selling a shirt after offering a discount of 12%. If the marked price of the shirt is Rs.1080, find its cost price.
800820880833850Option C

Cost Price = 1080*88/100*100/108 = 880 - A and B started a business with initial investments in the ratio 5 : 7. If after one year their profits were in the ratio 1 : 2 and the period for A’s investment was 7 months, B invested the money for how many months.
10 months50 months40 months30 months20 monthsOption A

Let B invested money for x months. 5*7 : 7*x = 1:2

=>x = 10 months - How many litres of water should be added to a 30 litre mixture of milk and water containing milk and water in the ratio of 7 : 3 such that the resultant mixture has 40% water in it?
47589Option C

Let required quantity = x

21/(9+x) = 3/2

=>x = 5 - 4,3,4,7,15, ?
38.530.133.329.732.2Option A

*0.5+1

*1+1

*1.5+1

*2+1

? = 38.5 - 23,55,136,200,?,231
212200225218202Option C

+2^5,+3^4,+4^3,+5^2,+6^1

? = 225 - 7,5,7,17,63, ?
313309319330311Option B

*1-2

*2-3

*3-4

*4-5

*5-6

? = 309 - 2, 60, 10, 120, 30, ?
200210222230214Option B

1^3 + 1

4^3 – 4

2^3 + 2

5^3 – 5

3^3 + 3

6^3 – 6

? = 210 - 11,14,19,28,43, ?
6052746659Option D

Double difference

? = 66

**Directions(6-10):** Find the missing term ‘?’ of the following series.