List of practice Questions

Statement: Many medical and engineering graduates are taking up jobs inadministrative services and in banks.
Courses of Action:
I. All the professionals should be advised to refrain from taking up such jobs
II. The government should appoint a committee to find out the reasons for these professionals taking up such jobs and to suggest remedial measures.
If x + y = √32 and (x-y)2 = 20, then xy = ?
Simplify: b - [b - (a+b) - {b - (b - a+b)} + 2a]
\(\frac{854×854×854-276×276×276}{854×854+854x276+276×276}\)
a x b = 2a - 3b + ab, then 3 x 5 + 5 x 3 =?
5.8 x 2.5 + 0.6 x 6.75 + 139.25 = ?
A man invested Rs. 1552 in a stock at 97 to obtain an income of Rs. 128.The dividend from the stock is:
A 12% stock yielding 10% is quoted at:
How many times do the hands of a clock coincide in a day?
What is the least number of square tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?
Ramesh owes Suresh Rs.10,028 due one year hence. Ramesh wants to settle the account after three months. If the rate of interest is 12% p. a, how much cash should he pay to Suresh?
The sum of the digits of a two-digit number is 10; when the digits are reversed, the number decreases by 54. Find the changed number.
Find the highest common factor of 36 and 84.
If (64)2 - (36)2 - 20x, then x = ?
(0.04)-1.5 = ?
A boy and a girl together fill a cistern with water. The boy pours 4 liters of water every 3 minutes and the girl pours 3 liters every 4 minutes. How much time will it take to fill 100 liters of water in the cistern?
There is provision of food in the fort for 1200 soldiers for 60 days. After 15 days, 200 soldiers leave the fort. Remaining food will last for how many days?
A trader has 50 kg of pulses, part of which he sells at 14% profit and the rest at 6% loss. On the whole his loss is 4%. How much quantity is sold at 14% profit and how much at 6% loss?
The cost of Type 1 rice is Rs. 15 per kg and Type 2 rice is Rs. 20 per kg. If both Type 1 and Type 2 are mixed in the ratio of 2 : 3, then the price per kg of the mixed variety of rice is:
The sum of the ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child?
The present ages of three persons are in the proportion of 4: 7: 9. Eight years ago, the sum of their ages was 56. Find their present ages (in years).
At 3:40, the hour hand and the minute hand of a clock form an angle of:
In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected is:
A school has only four classes that contain 10, 20, 30 and 40 students respectively. The pass percentages of these classes are 20%, 30%, 60% and 100% respectively. Find the pass percentage of the entire school.
The average age of A, B, C, D and E is 40 years. The average age of A and B is 35 years and the average age of C and D is 42 years. Age of E is: