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4301.

Tanya's grandfather was 8 times older to her 16 years ago. He would be 3 times her age 8 years from now. Eight years ago, what was the ratio of Tanya's age to that of her grandfather?

Answer»

Tanya's grandfather was 8 times older to her 16 years ago. He would be 3 times her age 8 years from now. Eight years ago, what was the ratio of Tanya's age to that of her grandfather?


4302.

The number of solutions (x, y, z) to the equation x - y - z = 25, where x, y, and z are positive integers such that x≤40,y≤12, and z≤12 is

Answer»

The number of solutions (x, y, z) to the equation x - y - z = 25, where x, y, and z are positive integers such that x40,y12, and z12 is


4303.

The speeds of two cars are in the ratio 9:17. If the second car covers 510 kms in 5 hours, then the speed of the first car is

Answer»

The speeds of two cars are in the ratio 9:17. If the second car covers 510 kms in 5 hours, then the speed of the first car is


4304.

The smallest possible radius of a circle such that it is possible to place 6 points on the circumference with an integer distance between any two is x/π. The value of 'x' is ___ .

Answer» The smallest possible radius of a circle such that it is possible to place 6 points on the circumference with an integer distance between any two is x/π. The value of 'x' is ___ .
4305.

Find out the appropriate word which fits the 8th blank.

Answer»

Find out the appropriate word which fits the 8th blank.


4306.

In the adjoining figure, a star is shown, What is the sum of the angles A, B, C, D and E?

Answer»

In the adjoining figure, a star is shown, What is the sum of the angles A, B, C, D and E?

4307.

Read each statement carefully and answer the following questions. Which of the following symbols should placed in the blank spaces respectively (in the same order from left to right) in order to complete the given expression in such a manner that makes the expressions B>N as well as D≤L definitely true? B_L_O_N_D

Answer»

Read each statement carefully and answer the following questions.
Which of the following symbols should placed in the blank spaces respectively (in the same order from left to right) in order to complete the given expression in such a manner that makes the expressions B>N as well as DL definitely true?
B_L_O_N_D

4308.

The person who conducted the survey, by mistake, did not include some players. When they were included, the number of players who played cricket increased by 40% and while the number of hockey players saw an increase of 100%. If the number of players in all other games remained constant, what will be the degree of the tennis players in the corrected graph?

Answer»

The person who conducted the survey, by mistake, did not include some players. When they were included, the number of players who played cricket increased by 40% and while the number of hockey players saw an increase of 100%. If the number of players in all other games remained constant, what will be the degree of the tennis players in the corrected graph?

4309.

Find the unit digit of 7172.

Answer» Find the unit digit of 7172.
4310.

7, 8, 24, 105, 361, (?)

Answer»

7, 8, 24, 105, 361, (?)


4311.

The smallest number added to 680621 to make the sum a perfect square is :

Answer»

The smallest number added to 680621 to make the sum a perfect square is :


4312.

Q43. By selling sugar at Rs. 17 per kilogram, a tradesman calculates that he will make a profit of 15%. But through faulty scales he sells 1 kilogram what is the really 0.8 kilogram. What profit or loss percent does he actually get? Q43. चीनी को 17 रु प्रति किलोग्राम, के दाम से बेचने पर एक व्यापारी यह गणना करता है कि वह 15% का लाभ कमाएगा। लेकिन दोषपूर्ण तराजू के माध्यम से वह 1 किलोग्राम बेचता है, जो वास्तव में 0.8 किलोग्राम है। उसे वास्तव में कितना लाभ या हानि प्रतिशत प्राप्त होता है?

Answer»

Q43. By selling sugar at Rs. 17 per kilogram, a tradesman calculates that he will make a profit of 15%. But through faulty scales he sells 1 kilogram what is the really 0.8 kilogram. What profit or loss percent does he actually get?

Q43. चीनी को 17 रु प्रति किलोग्राम, के दाम से बेचने पर एक व्यापारी यह गणना करता है कि वह 15% का लाभ कमाएगा। लेकिन दोषपूर्ण तराजू के माध्यम से वह 1 किलोग्राम बेचता है, जो वास्तव में 0.8 किलोग्राम है। उसे वास्तव में कितना लाभ या हानि प्रतिशत प्राप्त होता है?


4313.

A butler stole wine from a butt of sherry which contained 40% alcohol. He replaced what he had stolen by wine containing only 16% alcohol. The resultant butt was then of 24% strength. How much of the butt did he steal?

Answer»

A butler stole wine from a butt of sherry which contained 40% alcohol. He replaced what he had stolen by wine containing only 16% alcohol. The resultant butt was then of 24% strength. How much of the butt did he steal?


4314.

Let f be a function with domain [-3, 5] and let g(x) = |3x + 4|, Then the domain of (fog)(x) is?

Answer»

Let f be a function with domain [-3, 5] and let g(x) = |3x + 4|, Then the domain of (fog)(x) is?

4315.

A man on the top of a rock rising on a seashore observes a boat coming towards it. If it takes 10 minutes for the angle of depression to change from 30∘ to 60∘, how soon the boat reaches the shore?

Answer»

A man on the top of a rock rising on a seashore observes a boat coming towards it. If it takes 10 minutes for the angle of depression to change from 30 to 60, how soon the boat reaches the shore?


4316.

First term of a GP is 729 and 7th term is 64. Find the sum of first seven terms.

Answer» First term of a GP is 729 and 7th term is 64. Find the sum of first seven terms.
4317.

A man was employed to count Rs10710. He counts at the rate of Rs180 per minute for half an hour. After this, he counts at the rate of Rs3 less every minute than the preceding minute . Find the time taken by him to count the entire amount.

Answer»

A man was employed to count Rs10710. He counts at the rate of Rs180 per minute for half an hour. After this, he counts at the rate of Rs3 less every minute than the preceding minute . Find the time taken by him to count the entire amount.

4318.

What is the percentage decrease in the monthly salary of Poonam in the year 2009 as compared to her monthly salary in the previous year?

Answer»

What is the percentage decrease in the monthly salary of Poonam in the year 2009 as compared to her monthly salary in the previous year?


4319.

Find the sum 131+13+231+3+13+23+331+3+5+… to n terms

Answer» Find the sum 131+13+231+3+13+23+331+3+5+ to n terms
4320.

A 3x3x3 cube has three square holes, each with a 1 by 1 cross-section running from the centre of each face to the centre of the opposite face. The total surface area (in square units) of the resulting solid is:

Answer»

A 3x3x3 cube has three square holes, each with a 1 by 1 cross-section running from the centre of each face to the centre of the opposite face. The total surface area (in square units) of the resulting solid is:


4321.

The mid points of an equilateral triangle are joined. Forming a second triangle, a third triangle is formed joining the midpoints of the second and the process continued infinitely. If the area of the first triangle is 24 units, then find the sum of areas of all triangles.

Answer»

The mid points of an equilateral triangle are joined. Forming a second triangle, a third triangle is formed joining the midpoints of the second and the process continued infinitely. If the area of the first triangle is 24 units, then find the sum of areas of all triangles.


4322.

Q78. The probability of having a girl is identical to the probability of having a boy. In a family with three children, what is the probability that all the children are of the same gender?

Answer»

Q78. The probability of having a girl is identical to the probability of having a boy. In a family with three children, what is the probability that all the children are of the same gender?


4323.

A shopkeeper purchased 200 bulbs for Rs 10 each. However 5 bulbs were fused and need to be thrown away, the remaining were sold at Rs 12 each. Find the gain or loss %? ___

Answer» A shopkeeper purchased 200 bulbs for Rs 10 each. However 5 bulbs were fused and need to be thrown away, the remaining were sold at Rs 12 each. Find the gain or loss %? ___
4324.

What is the first non-zero integer from the right in 83301957+83701982?___

Answer» What is the first non-zero integer from the right in 83301957+83701982?___
4325.

x is the smallest number such that x2 is a perfect square and is x3 is a perfect cube. Then, the number of divisors of x is

Answer»

x is the smallest number such that x2 is a perfect square and is x3 is a perfect cube. Then, the number of divisors of x is

4326.

In which of these expressions 'S > V' be definitely false ?

Answer»

In which of these expressions 'S > V' be definitely false ?

4327.

Read the following information and answer the questions given below it: A+B means A is daughter of B; A X B means A is the son of B and A – B means A is the wife of B. Q78. If P X Q – S, which of the following is true? निम्नलिखित जानकारीयों को पढ़ें और नीचे दिए गए प्रश्नों के उत्तर दें A + B का अर्थ है A, B की बेटी है; A × B का अर्थ A, B का पुत्र है और A – B का अर्थ है A, B की पत्नी है। Q78. यदि P × Q – S, निम्न में से कौन सा सत्य है?

Answer»

Read the following information and answer the questions given below it:

A+B means A is daughter of B;

A X B means A is the son of B and

A – B means A is the wife of B.

Q78. If P X Q – S, which of the following is true?

निम्नलिखित जानकारीयों को पढ़ें और नीचे दिए गए प्रश्नों के उत्तर दें

A + B का अर्थ है A, B की बेटी है;

A × B का अर्थ A, B का पुत्र है और

A – B का अर्थ है A, B की पत्नी है।

Q78. यदि P × Q – S, निम्न में से कौन सा सत्य है?


4328.

A speaks truth in 60% and B in 80% of the cases. In what percentage of cases are they likely to contradict each other narrating the same incident?

Answer»

A speaks truth in 60% and B in 80% of the cases. In what percentage of cases are they likely to contradict each other narrating the same incident?

4329.

The integers from 1 to 1000 are written in order around a circle. Starting at 1, every fifteenth number is marked (that is 1, 16, 31, etc.). This process is continued until a number is reached which has already been marked. How many unmarked numbers remain?

Answer»

The integers from 1 to 1000 are written in order around a circle. Starting at 1, every fifteenth number is marked (that is 1, 16, 31, etc.). This process is continued until a number is reached which has already been marked. How many unmarked numbers remain?

4330.

4 Boys and 3 girls are standing in a straight line. Find the probability that girls and boys stand alternatively. Please answer as soon as possible.

Answer» 4 Boys and 3 girls are standing in a straight line. Find the probability that girls and boys stand alternatively. Please answer as soon as possible.
4331.

An infinite geometric progression a1, a2, a3, ..... has the property that an=3(an+1+an+2+......) for every n≥1. If the sum a1, a2, a3, .....=32, then a5 is

Answer»

An infinite geometric progression a1, a2, a3, ..... has the property that an=3(an+1+an+2+......) for every n1. If the sum a1, a2, a3, .....=32, then a5 is


4332.

Q6. Ram spends Rs.3620 for buying pants at the rate of Rs.480 each and shirts at the rate of Rs.130. What will be the ratio of pants to shirts when maximum number of pants is to be bought?

Answer»

Q6. Ram spends Rs.3620 for buying pants at the rate of Rs.480 each and shirts at the rate of Rs.130. What will be the ratio of pants to shirts when maximum number of pants is to be bought?


4333.

In the figure given below, ABOP is a rectangle and O is the centre of the circle. It is also given that AB = BC and the measure of the ∠ABC is 60∘. Find the measure of the angle OPN.

Answer»

In the figure given below, ABOP is a rectangle and O is the centre of the circle. It is also given that AB = BC and the measure of the ABC is 60. Find the measure of the angle OPN.

4334.

Study the following table carefully to answer these questions: Percent of Marks obtained by six students in six subjects SubjectHistoryGeographyMathsScienceEnglishHindiMax.Marks75751001505060A826659766265B767265847475C567871668670D648068726680E486883885660F607479648085 What are the total marks obtained by ‘B’ in all the subjects together ?

Answer»

Study the following table carefully to answer these questions:

Percent of Marks obtained by six students in six subjects
SubjectHistoryGeographyMathsScienceEnglishHindiMax.Marks75751001505060A826659766265B767265847475C567871668670D648068726680E486883885660F607479648085

What are the total marks obtained by ‘B’ in all the subjects together ?

4335.

A metal rod at a temperature of 150∘C radiates energy at a rate of 20 W. If its temperature is increased to 300∘C, find the rate of energy radiation.

Answer» A metal rod at a temperature of 150C radiates energy at a rate of 20 W. If its temperature is increased to 300C, find the rate of energy radiation.
4336.

Find out the graph representing the following function f(x) = x² – 3

Answer»

Find out the graph representing the following function f(x) = x² – 3

4337.

Find the missing number in the sequence. 3, 5, ?, 16, 46, 190, 1030

Answer»

Find the missing number in the sequence.

3, 5, ?, 16, 46, 190, 1030


4338.

x2- 7x + 12 = 0 y2 + y - 12 = 0

Answer»

x2- 7x + 12 = 0

y2 + y - 12 = 0


4339.

In a 1000 m race, Dhoni beat Raina by 100 m and Kohli by 150 m. In a race of 360 m, Raina will beat Kohli by?

Answer»

In a 1000 m race, Dhoni beat Raina by 100 m and Kohli by 150 m. In a race of 360 m, Raina will beat Kohli by?


4340.

Sahil rides his bicycle at the speed of 15km/h and reaches school late by 2 minutes. On increasing the speed by 5km/ h , he reaches 8 minutes early. Find the distance between the school and his house.

Answer» Sahil rides his bicycle at the speed of 15km/h and reaches school late by 2 minutes. On increasing the speed by 5km/ h , he reaches 8 minutes early. Find the distance between the school and his house.
4341.

Show that the sum of first p even numbers is equal to (1+1p) times the sum of first p odd numbers.

Answer» Show that the sum of first p even numbers is equal to (1+1p) times the sum of first p odd numbers.
4342.

A square hole of cross sectional area 4cm2 is drilled across a cube with its length parallel to a side of the cube. If an edge of the cube measures 5 cms, what is the total surface area of the structure so formed?

Answer»

A square hole of cross sectional area 4cm2 is drilled across a cube with its length parallel to a side of the cube. If an edge of the cube measures 5 cms, what is the total surface area of the structure so formed?

4343.

Prove that ar (ΔXYW)=ar(ΔYZW) in the given figure.

Answer» Prove that ar (ΔXYW)=ar(ΔYZW) in the given figure.
4344.

According to the enrollment statistics published by U.S. medical schools, the number of female medical students is equivalent to the number of male medical students currently enrolled in medical school.

Answer» According to the enrollment statistics published by U.S. medical schools, the number of female medical students is equivalent to the number of male medical students currently enrolled in medical school.
4345.

What is the number of digits in 540? (Given log102 = 0.3010)

Answer»

What is the number of digits in 540? (Given log102 = 0.3010)

4346.

B1Y, C2W, D6U, E24S, ?

Answer»

B1Y, C2W, D6U, E24S, ?


4347.

Two times a number is a 100% increase in the number. If we take half the number what would be the decrease in percent ?

Answer»

Two times a number is a 100% increase in the number. If we take half the number what would be the decrease in percent ?

4348.

What is the formula for finding LCM?

Answer» What is the formula for finding LCM?
4349.

The edge length of FCC unit cube cell is 508 pm. If the radius of cation is 110 pm, the radius of anion is ___

Answer» The edge length of FCC unit cube cell is 508 pm. If the radius of cation is 110 pm, the radius of anion is ___
4350.

There r only 9 ordered pairs which i am getting but 9 is not in any option?

Answer» There r only 9 ordered pairs which i am getting but 9 is not in any option?