- The respective ratio of the present ages of Prem and Suresh is 1:2. After 6 years the ratio of their ages will be 11:20. 9 years before what was their respective ratio of their ages?
3:51:52:51:43:2Option C

Let the present age of Prem and suresh be x and y.

So, x/y = 1/2

and x+6/ y+6 = 11/20

=>x=27 and y= 54

So required ratio = 18/45 = 2/5 - How many different words can be formed with the letters of the word UNIVERSITY so that all the vowels are together?
6048060840604406088060450Option A

Required number of ways= 4!* 7!/ 2 = 60480 - the radius of the circular wheel is 4 m.how many revolutions will it make in travelling 11 kilometer?
100150200250300Option D

Number of revolutions= 11000/ (2* 22/7 * 7) = 250 - A shop keeper marks his vegetables 60% above the cost price and gives of 30% on the marked price. the what is the profit percentage he gets?
1011121314Option C

Let the CP be Rs.100

S.P = 70/100 * 160 = Rs.112.

P% = 12/100 * 100 = 12% - 60 workers working 14 hours in a day and complete the work in 36 days. If the workers work 12 hours per day, then the number of workers need to complete the same work in 60 days are

3436384042Option E

Required number of workers= 60*14*36 / 12*60 =42 - Rani bought 62 pens. Sona bought 43 pens. Arun bought 66 pens and Seetha bought 73 pens. What was the average number of pens they purchased?
5758606159Option D

Average = 62+43+66+ 73/ 4 =61 - The marked price of the handbag is Rs.1500 .If it is sold at a 40% discount and the dealer earns 50% profit. The find what is the cost price of the bag?
500600700800900Option B

SP = 60/100 * 1500 =Rs.900

Profit = 50%

CP = 100/150 * 900 =Rs.600 - What is the pricipal amount if the sum of money fetches Rs. 4800 at the rate of 10% per annum after 3 years?
16,00012,00010,00015,00020,000Option A

P = 4800 * 100/ 10* 3= Rs.16,000 - Kayal weights is 70 % of maya weight. Tara weight 45% of maha weight. Maha weight. Maha weight is twice as much as maya.What percentage of kayal weight is Tara’s weight?
7778757674Option B

Let maya weight= x kg

Maha weight = 2x kg

Tara weight = 0.45* 2x

=0.9 kg

kayal weight=0.7 x kg

So required percentage = 0.7x/0.9 * 100 =78% ( approx) - Roja bought 20 kg of rice for Rs.2200 and sold it at a loss of as much rupees as she received for 40 kg. At what price did she sell the rice?
11010090200210Option A

Let the selling price of rice = Rs. x

2200 – 20x=40x

=>x=110 per kg