- 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.