I. A-B means A is the sister of B.
II. A×B means A is the husband of B.
III. A÷B means B is the brother of A.
IV. A+B means B is the mother of A.

If P+Q-R÷S×T, then R is T’s

When a ball bounce off the ground, which of the following changes suddenly 

Which of the following expressions will be true, if the expression R>O=A>S<T is definitely true?

Which protocol is used to convert IP addresses to MAC addresses?

Which of the following key is a minimal super key?

The abbreviation ISP stands for___

Which of the following is used to transfer data intended for a peripheral device into a disk so that it can be transmitted to the peripheral device at a more suitable time or in bulk?  

Which of the following is used to open file menu options in current program?

Which of the following is the type of software that controls the internal operations in the computer and controls how the computer works with all its parts?

Computer language COBOL is appropriate for—

Which of the following operating system use command line interface ?

Which of the following is not a version of the windows operating system software for the PC ?

Which of the following is not an example of application software ?

Which of the following is not true about RAM?

=  sum (B1 B0) is an example of a

Usually, installation files have the extension……

In a microcomputer system , the CPU is contained on a single chip called the

Which of the following is an electronic or paper log used to track computer activity?

The biggest memory size in the following is

In ROM BIOS, the acronym BIOS stands for

Which of the following refers to restarting the system when it is already powered on?

UNIX is a(n) ……….. Operating system.

The difference between the two numbers is 1/3 of the larger number. If the smaller one is 48 the larger one is:

Find out the wrong number.
6, 24, 90, 630, 5670, 62370

In a college, 200 students are there in which 36% are girls. Each boy’s monthly fees is Rs.480 and each girl paid 25% less monthly fees in comparison to boy. What is the total monthly fees amount paid by boys and girls?

The capacity of two pots are 240L and 112L, respectively. Find the capacity of a container which can exactly measure the contents of the two pots.

Pure milk costs Rs.20 per litre. After adding water the milkman sells the mixture at the rate of Rs.18 per litre, thereby making a profit of 25%. In what ratio does he mix that two?

Rohit has some 50 paise coins, some Rs.2 coins, some Rs.1 coins and some Rs.5 coins. The value of all the coins is Rs.50. Number of Rs.2 coins is 5 more than the Rs.5 coins. 50 paise coins are double in number than Rs.1 coin. Value of 50 paise coins and Rs.1 coins is Rs.26. How many Rs.2 coins does he have?

The ratio of the present age of Manoj to that of Wasim is 3:11. Wasim is 12yr younger than Rehana. Rehana’s age after 7yr will be 85yr. What is the present age of Manoj’s father, who is 25yr older than Manoj?

Prakash, Sunil and Anil started a business jointly investing Rs.11 lakh, Rs. 16.5 lakh and Rs.8.25 lakh, respectively. The profit earned by them in the business at the end of 3 year was Rs.19.5 lakh. What will be the 50% of Anil’s share in the profit?

In an assembly meeting, lunch packs are to be distributed amongst 80 members. But on that particular day 15 members were absent. Hence, each member got 3 lunch packs extra. How many lunch packs were distributed?

A water tank has three taps A,B and C.Tap A, when opened, can fill the water tank alone in 4 h. Tap B, can fill the water tank alone in 6 h and tap C can empty the water tank alone in 3 h. If taps A, B and C are opened simultaneously. How long will it take to fill the tank completely?

A man buys a music system valued at Rs.8000. He pays Rs.3500 at once and the rest 18 months later, on which he is charged simple interest at the rate of 8% per annum. Find the total amount he pays for the music system.

A goods train left A for B at 3pm at an average speed of 60km/hr. At 6 pm, an express train also had left A for B on a parallel track at an average speed of 90km/hr. How far from A, is the express train expected to overtake the goods train?

A man walked at a speed of 4km/h from Point A to B and came back from Point B to A at the speed of 6km/h. What would be the ratio of the time taken by the man in walking from Point A to B to that from Point B to A?

Mr. Davar spends 38% of his monthly income of food, 25%  on children’s education and 12% on transport and the remaining amount of Rs. 5,800 he saves. What is Mr. Davar’s monthly income?

Akash scored 73% marks in Subject A. He scored 56% marks in Subject B and x marks in Subject C. Maximum marks in each subject were 150. The overall percentage marks obtained by Akash in all the three subjects together were 54%. How many marks did he score in Subject C?

The ratio of monthly salaries of X and Y is 6:5. If the salary of X is increased by 25% and that of Y by 15%. What will be the new ratio of their resulting salaries?

Parineeti spends 3/11th part of her monthly salary on foodgrains and 28% on jewellery. She invests the remaining part of her salary in mutual fund and stock shares in the ratio 7 : 5, if her investment in mutual fund is Rs. 22176, what is her monthly salary ?

What value will come in place of the question mark (?) in each of the following questions ?
21% of ? +16% of 3400 = 1286 – 427

A can do ¼ of a work in 10 days. B can do ⅓ of the work in 20 days. In how many days can both A and B together do the work ?

In what will Rs. 8000 at 3 % per annum, produce the same interest as rs.6000 does in 5 years at 4 % simple interest?

The science of the nature of heavenly bodies is called ?

Effect of lightning power was discovered by ?

Critical angle is minimum for which colour?

Resistance of a conductor ………. With increase in temperature ?

What remain constant in  a circular motion?

If a gun of 1 kg fies a bullet of 10 gm with a speed of 20m/sec then what is the speed at which the gun recoils.

Find the momentum of of a body travelling at 36 km/hr. And weighing 450 gm

Jet plane works on the principle of