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2151.

Q65. A certain company currently has how many employees? 1. If 3 additional employees are hired by the company and all of the present employees remain, there will be at least 20 employees in the company. 2. If no additional employees are hired by the company and 3 of the present employees resign, there will be fewer than 15 employees in the company.

Answer»

Q65. A certain company currently has how many employees?

1. If 3 additional employees are hired by the company and all of the present employees remain, there will be at least 20 employees in the company.

2. If no additional employees are hired by the company and 3 of the present employees resign, there will be fewer than 15 employees in the company.


2152.

There is a family of rectangles with area A such that A is a natural number and the maximum value that A can take is 1100. The length and breadth of the rectangle are denoted by L and B respectively. (Li, Bi) represents a solution to the equation LB = A. If Ak is defined as a set containing all distinct values of Li for which LB = A, then which of the following best describes the value of A for which Ak has the maximum number of elements. (Assume horizontal and vertical rectangles are different from each other).

Answer»

There is a family of rectangles with area A such that A is a natural number and the maximum value that A can take is 1100. The length and breadth of the rectangle are denoted by L and B respectively. (Li, Bi) represents a solution to the equation LB = A. If Ak is defined as a set containing all distinct values of Li for which LB = A, then which of the following best describes the value of A for which Ak has the maximum number of elements. (Assume horizontal and vertical rectangles are different from each other).


2153.

Kisanrao wanted to make a pond in his field. He borrowed rupees 35250 from a bank at an interest rate of 6 p.c.p.a. How much interest will he have to pay to the bank at the end of the year ?

Answer» Kisanrao wanted to make a pond in his field. He borrowed rupees 35250 from a bank at an interest rate of 6 p.c.p.a. How much interest will he have to pay to the bank at the end of the year ?
2154.

The denominator of a fraction exceeds its numerator by 1. Two thirds of the fraction exceeds one third of the fraction by 16. The original fraction is

Answer»

The denominator of a fraction exceeds its numerator by 1. Two thirds of the fraction exceeds one third of the fraction by 16. The original fraction is


2155.

Find the probability of getting a friday in (i) leap year (ii) non leap year

Answer» Find the probability of getting a friday in (i) leap year (ii) non leap year
2156.

7x-2y=3, 22x-3y=16.

Answer» 7x-2y=3, 22x-3y=16.
2157.

The perimeter of an equilateral triangle is 21 m more than the perimeter of a square. If the respective ratio between the side of the triangle and the side of the square is 9:5, what is the area of the square?

Answer»

The perimeter of an equilateral triangle is 21 m more than the perimeter of a square. If the respective ratio between the side of the triangle and the side of the square is 9:5, what is the area of the square?

2158.

In th olympics when a gymnast perform the stunts the points will be calculated based on the formula "difficulty score + execution - penalties". Simplify the point scored by the gymnast if judges awarded the points as shown,6.9 + (10 - 1.532) - 0.3

Answer» In th olympics when a gymnast perform the stunts the points will be calculated based on the formula "difficulty score + execution - penalties". Simplify the point scored by the gymnast if judges awarded the points as shown,

6.9 + (10 - 1.532) - 0.3
2159.

Find S1+S2+S3.....S10 given that Sn= 1+2+3+4.....n

Answer»

Find S1+S2+S3.....S10 given that Sn= 1+2+3+4.....n

2160.

Find the number of zeroes in: 1001×992×983×974×⋯1100 ___

Answer» Find the number of zeroes in:
1001×992×983×974×1100 ___
2161.

Find the volume of a sphere, if its surface area is 154 sq.cm.

Answer» Find the volume of a sphere, if its surface area is 154 sq.cm.
2162.

let f(x) = sinx + cosx, g(x)= x^2-1, then g(f(x)) is invertible for x belongs to=

Answer» let f(x) = sinx + cosx, g(x)= x^2-1, then g(f(x)) is invertible for x belongs to=
2163.

Euler's formula.

Answer» Euler's formula.
2164.

Study the following information carefully and answer the given questions: A word and number arrangement machine when given an input line of words and numbers rearrange them following a particular rule in each step. The following is an illustration of input and rearrangement. Input: gain 96 63 forest 38 78 deep house Step I: deep gain 96 63 forest 38 78 house Step II: deep 38 gain 96 63 forest 78 house Step III: deep 38 forest gain 96 63 78 house Step IV: deep 38 forest 63 gain 96 78 house Step V: deep 38 forest 63 gain 78 96 house Step VI: deep 38 forest 63 gain 78 house 96 And Step VI is the last step of the rearrangement of the above input. As per the rules of followed in the above steps, find out in each of the following questions the appropriate step for the given input Input: service 46 58 96 of there desk 15 Which of the following will be Step VI for the given input?

Answer»

Study the following information carefully and answer the given questions:

A word and number arrangement machine when given an input line of words and numbers rearrange them following a particular rule in each step. The following is an illustration of input and rearrangement.

Input: gain 96 63 forest 38 78 deep house
Step I: deep gain 96 63 forest 38 78 house
Step II: deep 38 gain 96 63 forest 78 house
Step III: deep 38 forest gain 96 63 78 house
Step IV: deep 38 forest 63 gain 96 78 house
Step V: deep 38 forest 63 gain 78 96 house
Step VI: deep 38 forest 63 gain 78 house 96

And Step VI is the last step of the rearrangement of the above input.
As per the rules of followed in the above steps, find out in each of the following questions the appropriate step for the given input

Input: service 46 58 96 of there desk 15
Which of the following will be Step VI for the given input?

2165.

Approximately what was the total number of candidates selected from Commerce and Agricultural discipline together?

Answer»

Approximately what was the total number of candidates selected from Commerce and Agricultural discipline together?


2166.

p(x) =23x2+5x+6,5(x)=8x−9.Find r(x) and q(x)

Answer» p(x) =23x2+5x+6,5(x)=8x9.Find r(x) and q(x)
2167.

The length of train X is 600m. And it crosses train Y running in opposite direction in 36 seconds and train X also crosses a man standing in a platform in 36 seconds. What is the speed of train Y?

Answer» The length of train X is 600m. And it crosses train Y running in opposite direction in 36 seconds and train X also crosses a man standing in a platform in 36 seconds. What is the speed of train Y?
2168.

Find the number of 4 digit numbers which are divisible by 11 or 13 but not by 17?

Answer»

Find the number of 4 digit numbers which are divisible by 11 or 13 but not by 17?

2169.

The sum of factors of a number N is 124. Between which of the following ranges does N lie?

Answer»

The sum of factors of a number N is 124. Between which of the following ranges does N lie?

2170.

In a Mock CAT there are 3 sections viz, QA, English and DI containing 4, 6 and 11 questions respectively. In how many ways can a candidate select one question from each of the three sections?___

Answer» In a Mock CAT there are 3 sections viz, QA, English and DI containing 4, 6 and 11 questions respectively. In how many ways can a candidate select one question from each of the three sections?___
2171.

If in 1987 the garments were exported at the same rate per piece as that in 1985, what would be the approximate value of exports (in crores) in 1987?

Answer»

If in 1987 the garments were exported at the same rate per piece as that in 1985, what would be the approximate value of exports (in crores) in 1987?


2172.

Let G be a group of 35 elements. Then the largest possible size of a subgroup of G other than G itself is7

Answer» Let G be a group of 35 elements. Then the largest possible size of a subgroup of G other than G itself is
  1. 7
2173.

A busbisnmoving with a speed of 10 m/s on a straight road. A scooterist wishes to overtake the bus in 100 s. If the bus is at a distance of 1 km from the scooterist, with what speed should the scooterist chase the bus?

Answer» A busbisnmoving with a speed of 10 m/s on a straight road. A scooterist wishes to overtake the bus in 100 s. If the bus is at a distance of 1 km from the scooterist, with what speed should the scooterist chase the bus?
2174.

How many individuals in this layout can be reached by just one individual?

Answer»

How many individuals in this layout can be reached by just one individual?


2175.

The position vector of four points P,Q,R,S are respectively 2^i+^k,5^i+3√3^j+4^k,−2√3^j+^kand2^i+^k Prove that PQ and RS are parallel and PQ=32RS

Answer» The position vector of four points P,Q,R,S are respectively 2^i+^k,5^i+33^j+4^k,23^j+^kand2^i+^k
Prove that PQ and RS are parallel and PQ=32RS
2176.

"रोज़ की तरह आज वह तर माल अपने लिए न रख सकती थी।"इन चीज़ों को तुम क्या नाम देना चाहोगी? सुझाओ।

Answer»

"रोज़ की तरह आज वह तर माल अपने लिए न रख सकती थी।"



इन चीज़ों को तुम क्या नाम देना चाहोगी? सुझाओ।

2177.

Write the following expression using a simpler notation:x+x+x+x

Answer»

Write the following expression using a simpler notation:

x+x+x+x

2178.

If (p-q) , x and (p+q) are in arithmetic progression , then x =

Answer»

If (p-q) , x and (p+q) are in arithmetic progression , then x =


2179.

Arul has 16 Apples, Raghav has 32 Apples, Ramesh has 48 Apples. The number of apples they possess forms an A.P with a common difference of

Answer»

Arul has 16 Apples, Raghav has 32 Apples, Ramesh has 48 Apples. The number of apples they possess forms an A.P with a common difference of



2180.

In △ABC, AD is a median and AL ⊥ BC.Prove thati AC2=AD2+BC.DL+BC22ii AB2=AD2-BC.DL+BC22iii AB2+AC2=2AD2-14BC2

Answer»

In △ABC, AD is a median and AL ⊥ BC.

Prove that

i AC2=AD2+BC.DL+BC22ii AB2=AD2-BC.DL+BC22iii AB2+AC2=2AD2-14BC2
2181.

Solve the followingThere are 500 students in the school in Dahihanda village. If 350 of them can swim, what percent of them can swim and what percent cannot?

Answer» Solve the following

There are 500 students in the school in Dahihanda village. If 350 of them can swim, what percent of them can swim and what percent cannot?
2182.

If A(1,2) , B(4,3) and C(6,6) are the three vertices of a parallelogram ABCD find the coordinates of fourth vertex D.

Answer» If A(1,2) , B(4,3) and C(6,6) are the three vertices of a parallelogram ABCD find the coordinates of fourth vertex D.
2183.

There are 30 students in a class whose average age is 20 years. The average age of the boys in the class is 3 less than the average age of the girls in it. If the age of their class teacher, which is between 49 years and 54 years is included with boys, the average age of the boys equals to that of the girls. If the average age of boys as well as the average age of girls are integers, then how many boys are there in the class?

Answer»

There are 30 students in a class whose average age is 20 years. The average age of the boys in the class is 3 less than the average age of the girls in it. If the age of their class teacher, which is between 49 years and 54 years is included with boys, the average age of the boys equals to that of the girls. If the average age of boys as well as the average age of girls are integers, then how many boys are there in the class?


2184.

the point on the parabola y2=4x which is closet to the circle x2+y2−24y+128=0 is

Answer»

the point on the parabola y2=4x which is closet to the circle x2+y224y+128=0 is

2185.

How many two-digit numbers are divisible by 2 or 3?

Answer» How many two-digit numbers are divisible by 2 or 3?
2186.

Two balls are thrown horizontally from the top of a building with speed u & v respectively in opposite directions. What is the separation between the two balls when they moving perpendicular to each other?

Answer» Two balls are thrown horizontally from the top of a building with speed u & v respectively in opposite directions. What is the separation between the two balls when they moving perpendicular to each other?
2187.

The mean marks of 20 students in Physics is 45. If each student was given additional 10 marks, the mean marks of 20 students will be:

Answer»

The mean marks of 20 students in Physics is 45. If each student was given additional 10 marks, the mean marks of 20 students will be:


2188.

What is the smallest positive integer n for which 1+i2n=1-i2n?

Answer» What is the smallest positive integer n for which 1+i2n=1-i2n?
2189.

What is the probability that has not 52 Sundays ?

Answer» What is the probability that has not 52 Sundays ?
2190.

The angle of elevation of an aeroplane from a point on the ground is 45∘. After a flight of 15 seconds, the angle of elevation changes to 30∘. If the aeroplane is flying at a height of 3000 m, then find the speed of the plane.(Take √3=1.732)

Answer»

The angle of elevation of an aeroplane from a point on the ground is 45. After a flight of 15 seconds, the angle of elevation changes to 30. If the aeroplane is flying at a height of 3000 m, then find the speed of the plane.



(Take 3=1.732)



2191.

The straight line bx+ay=ab devides the ellipse b²x²+a²y²=a²b² into two parts. Show that the area of the smaller part is (ab/4)(π-2) sq.unit. using integration.

Answer» The straight line bx+ay=ab devides the ellipse b²x²+a²y²=a²b² into two parts. Show that the area of the smaller part is (ab/4)(π-2) sq.unit. using integration.
2192.

The condition that roots of the equation x3−px2+qx−r=0 may be in A.P is:

Answer»

The condition that roots of the equation x3px2+qxr=0 may be in A.P is:

2193.

The population of a place increased to 54,000 in 2003 at a rate of 5% per annum(A) Find the population in 2001.(B) What would be its population in 2005?

Answer» The population of a place increased to 54,000 in 2003 at a rate of 5% per annum

(A) Find the population in 2001.

(B) What would be its population in 2005?
2194.

If x ϵ R, and α=x2(1+x4), then:

Answer»

If x ϵ R, and α=x2(1+x4), then:

2195.

The block which is perfectly suited in the given figure to make its perfect square of (7×7) is .

Answer»
The block which is perfectly suited in the given figure to make its perfect square of (7×7) is .
2196.

A factory announces a bonus of 10% to its employees. If an employee gets Rs 10,780, find his actual salary.

Answer»

A factory announces a bonus of 10% to its employees. If an employee gets Rs 10,780, find his actual salary.

2197.

Three faucets P, Q and R can fill a tank in 24, 30 and 40 hours respectively. If P is open all the time and Q and R are open for 2 hours each alternately(start with Q), the tank will be full in?

Answer»

Three faucets P, Q and R can fill a tank in 24, 30 and 40 hours respectively. If P is open all the time and Q and R are open for 2 hours each alternately(start with Q), the tank will be full in?


2198.

Directions:- Study the following information carefully to answer the question given below. Nine children A, B, C, D, E, F, G, H and l are playing with a rope. They make different shapes of that rope. Eventually, they made an equilateral triangle of that rope and stood over the three different sides at the equal distance. (i) There are two children between A and C. (ii) The adjacent neighbours face opposite sides, except two neighbours. (iii) If D and E exchange their places E becomes in between A and I. (iv) H and I are opposite to each other. (v) G faces outside the triangle while his neighbours face in the opposite directions. (vi) E is between A and H. (vii) B and C are at the extreme ends of one of the vertexes of the triangle. (viii) There is one child between B and D as well as between B and F. (ix) I is the third to the left of F. Which of the following are the neighbours of B?

Answer»

Directions:- Study the following information carefully to answer the question given below.

Nine children A, B, C, D, E, F, G, H and l are playing with a rope. They make different shapes of that rope. Eventually, they made an equilateral triangle of that rope and stood over the three different sides at the equal distance.
(i) There are two children between A and C.
(ii) The adjacent neighbours face opposite sides, except two neighbours.
(iii) If D and E exchange their places E becomes in between A and I.
(iv) H and I are opposite to each other.
(v) G faces outside the triangle while his neighbours face in the opposite directions.
(vi) E is between A and H.
(vii) B and C are at the extreme ends of one of the vertexes of the triangle.
(viii) There is one child between B and D as well as between B and F.
(ix) I is the third to the left of F.

Which of the following are the neighbours of B?


2199.

In each question, three statements showing relationships have been given, which are followed by two conclusions I and II. Assuming that the given statements are true, find out which conclusion(s) is/are definitely true. Statements: L T, P ? T, K $ L Conclusions: I. L P II. K T

Answer»

In each question, three statements showing relationships have been given, which are followed by two conclusions I and II. Assuming that the given statements are true, find out which conclusion(s) is/are definitely true.
Statements: L T, P ? T, K $ L
Conclusions:
I. L P
II. K T


2200.

Two separate slab milling operations,1 and 2, are performed with identical milling cutters. The depth of cut in operation 2 is twice that in operation 1. The other cutting parameters are identical. The ratio of maximum uncut chip thickness in operations 1 and 2 is

Answer» Two separate slab milling operations,1 and 2, are performed with identical milling cutters. The depth of cut in operation 2 is twice that in operation 1. The other cutting parameters are identical. The ratio of maximum uncut chip thickness in operations 1 and 2 is