Explore topic-wise InterviewSolutions in Current Affairs.

For each notebook, the shopkeeper gets Rs. 4 as profit and for each pen, he loses 20 paise. The total profit he made was Rs. 40. If he sold 100 pens during that period, find the profit earned on notebooks. [Assume he only sold notebooks and pens during that period; Answer in terms of a number]

A coin is tossed three times, consider the following events.A: 'No head appears'.B: 'Exactly one head appears'.C: 'At least two heads appear'.Do they form a set of mutually exclusive and exhaustive events?

11. A right triangle whose sides are 3 cm and 4 cm ,(other than hypotenuse) is made to revolve about its hypotenuse. Find the volume and surface area of double cone so formed

Point of intersection of the diagonals of square is at origin and coordinate axis are drawn along the diagonals. If the side is of length a, then one which is not the vertex of square is:

N = 12121212..........300 digits. Find the remainder when N is divided by 99?___

10x when divided by 13 remainder = -1. If x is a natural number less than 100 how many solutions are possible for x ?

22.7 mL of a N10Na2CO3 solution neutralizes 10.2 mL of dilute H2SO4. Find the volume of water to be added to 400 mL of the same H2SO4 solution to make its concentration exactly N10.

20. The midpoints of sides of triangles are (3,2), (-1,-2) and (5,-4). Find the coordinates of the vertices of a triangle and then fond its area.

2x/a+y/b=2x/a-y/b=4kindly solve these 2 equations by subtitution method

Find the values of k for which the following equation has equal roots: (k−12)x2+2(k−12)x+2=0

Find the quadratic equation whose roots are half of the reciprocal of th roots of the equation ax2+bx+c=0

Let a, b, c, d and e be distinct integers such that (6 - a) (6 - b) (6 - c) (6 - d) (6 - e) = 45. What is a+b+c+d+e?

Three numbers are chosen at random from 1,2,3....10 without replacement. The probability that the minimum of the chosen numbers in 4 or the maximum is 8 is?

Curved surface area of a right circular cylinder is 4.4 m2. If the radius of the base of the cylinder is 0.7 m, find its height. [Assume π=227]

What is the total number of ways in which Krishna can distribute 9 distinct gifts among his 8 distinct girlfriends such that each of them gets at least one gift?

Given that the time on a clock is 3.00. Comment on the type of angles formed.

A right triangle whose sides are 15 cm and 20 cm (other than hypotenuse), is made to revolve about its hypotenuse. Find the surface area of the double cone so formed. (Choose value of π as found appropriate)

Find HCF of 1650 and 847

Harry walks from his house at A to his office at B, by taking the shortest path. Find in how many ways Harry can go from A to B moving only Up or Right at every intersection of roads.

The remainder obtained when 1!+2!+3! ……+11! Is divided by 12 is …….

If f(x+f(y))=f(x)+y for all values of x,y belongs to real number and f(0)=1 then which of the following is true; 1.f(5)=f(1/2) 2.f(5)=f(10) 3.f(3)=f(1/3) 4.f(2)=f(1/2)

If Mr. Shyam pays the workers Rs. 3040 in all for this job, how many workers work on day 3?

What will be the order of ionic character AlF_3 , AlN and Al_2O_3 and why?

Total number of animals together in the grasslands of China in the year 1990 was approximately what percent of the total number of bears in the grasslands of Sri Lanka over all the years together?

Ankitesh and his friend Jimmy together sold ticketes for a charity show for Rs 3800. If Ankitesh sold it at a price which is 138 times of the price at which Jimmy sold it, how much did each of them sell the ticketes for ?

the speed of the train is reduced from 72km/h to 36km/h while it travels a distance of 450m if retardation is uniform then how much further it will travel before coming to rest

In the figure given below, AB is a diameter of the semi-circle APQB with centre O. ∠POQ=48∘. AQ cuts BP at X, calculate ∠AXP.

Which of the following represents Step X?

A geometric progression consists of 500 terms. Sum of the terms occupying the odd places when counting from the left is P1 and the corresponding sum of the terms occupying the even places is P2. Find the common ratio.

ABC is an equilateral triangle and AX,BY and CZ are three parallel lines. Find the area of triangle ABC

In triangle ABC, ∠ABC=90∘ and P is a point on AC such that ∠PCB=∠PBC, then prove that PA = PB.

The discharge capacity required at the outlet to irrigate 2600 ha of sugarcane having a kor depth of 17 cm and a kor period of 30 days is

In the following table four persons P, Q, R and S are selling items on different days of the week. Q. What was the ratio of item sold by P on Sunday &amp; items sold by S on Saturday?

A train 100 m long is moving with the velocity of 72 km/hr. Find the time it takes to cross the bridge which is 2 km long?

25. How many natural numbers not exceeding 5432 can be formed with the digits 2,3,4 and 5 if the digits are allowed to repeat ?

Ramkali saved Rs. 5 in the first week of a year and then increased her weekly saving by Rs. 1.75. If in the nth week, her weekly savings become Rs 20.75, find n.

Cause:The government has recently increased its takes on petrol and diesel by about 10%. Which of the following can be a possible effect of the above cause?

f(x) attains maximum value when x equals

Four dice are thrown simultaneously and the numbers shown on these dice are recorded in 2×2 matrices. The probability that such formed matrices have all different entries and are non-singular, is:

The number of non - negative intergral solution to the equation where is _______x1+x2+x3+x4≤101001

There is a ship which is moving away from an iceberg 150 m high, takes 2 mins to change the angle of elevation of the top of the iceberg from 600 to 450. What is the speed of the ship?

18. Find the probability of getting 53 Sundays in ordinary year

Solve the following.Which is greater 60 km/hr or 30 m/sec?

Two trains, one from A to B and the other from B to A, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 25 hours respectively. The ratio of their speeds is:

Find the next term in the following sequence. PERPENDICULAR, ERPENDICULA, RPENDICUL, ?

8. How to change log form into exponential

There are 54 customers in an Italian restaurant. There are 9 people who have finished eating. The others are eating pasta or salad or both. There are 34 customers eating pasta and 15 eating salad.How many people are eating just pasta?

angle subtended by a circular are of length (πR/3)cm at the centre of circle of radius (R/3)cm is ?

76.Solve the given system of equations by algebraic method: 6/(x+y) = 7/(x-y) + 3 1/2(x+y) = 1/3(x-y)

In the following table four persons P, Q, R and S are selling items on different days of the week. Q. What was the ratio of item sold by P on Sunday & items sold by S on Saturday?