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What is the greatest prime factor of 1+2+3+。。。+40?

MathRevolution

28 Jan 2019, 13:12

0

3,321

by: MathRevolution

28 Jan 2019, 13:12

In how many ways can 4 men and 4 women sit at a round table

bumpbot

28 Jan 2019, 07:01

0

8,484

28 Jan 2019, 07:01

Two trains of 135 meters length each are running in opposite direction

Bunuel

28 Jan 2019, 04:27

2

6,629

by: sameeruce08

28 Jan 2019, 06:15

It takes 4 cooks 4 hours to bake 4 cakes. Assuming no change of rate

4d

27 Jan 2019, 23:38

1

1

818

27 Jan 2019, 23:40

What is the greatest prime factor of 49^19−7^35

Gmatprep550

27 Jan 2019, 22:32

0

413

by: Gmatprep550

27 Jan 2019, 22:32

For every positive integer n, if the nth term of the sequence is xN

RidhimaNigam

27 Jan 2019, 17:52

0

1,915

by: RidhimaNigam

27 Jan 2019, 17:52

A certain series is defined by the following recursive rule: Sn=K(Sn-1

dimri10

27 Jan 2019, 13:20

0

7,521

27 Jan 2019, 13:20

7^6 - 5^6 is divisible by?

snjvchan

27 Jan 2019, 13:10

4

5

1,855

by: Gladiator59

27 Jan 2019, 13:06

Walking at 3/4 of his speed, X is 16 minutes late in reaching to offic

wishalsp333

27 Jan 2019, 06:23

1

699

27 Jan 2019, 06:25

If 45% of study participants liked dogs, 60% liked cats, and 25% liked

shasadou

27 Jan 2019, 01:41

0

3,963

27 Jan 2019, 01:41

What is the area of the shaded portion in circle O, as pictured above,

zxcvbnmas

06 Feb 2016, 17:17

4

4

5,478

26 Jan 2019, 17:59

The arithmetic mean of five positive integers a,b,c,d,e is 22 and a<b<

cfc198

25 Jan 2019, 09:57

0

718

25 Jan 2019, 09:57

Amy's grade was 90th percentile of the 80 grades for her

reply2spg

25 Jan 2019, 05:33

0

6,152

25 Jan 2019, 05:33

Please help me solve some quants questions...

Leshego

24 Jan 2019, 15:18

2

2

433

24 Jan 2019, 21:48

If 0 < r < 1 < s < 2, which of the following must be less

azule45

24 Jan 2019, 09:04

0

6,115

24 Jan 2019, 09:04

Thirty-six identical chairs must be arranged in rows with the same num

Bunuel

24 Jan 2019, 08:40

0

1,693

24 Jan 2019, 08:40

If x+(1/x)=4, what is the value of x^2+(1/x^2)?

MathRevolution

24 Jan 2019, 08:03

0

382

by: MathRevolution

24 Jan 2019, 08:03

Let N = 60! + 55! + 50! The unit digit of N and a number of digits to

Gnpth

24 Jan 2019, 08:02

0

5,074

24 Jan 2019, 08:02

What is the sum of all 3 digit positive integers that can be formed us

R2I4D

24 Jan 2019, 07:53

0

4,201

24 Jan 2019, 07:53

For integers x and y, if x^y=256, how many different values

fitzpratik

24 Jan 2019, 07:37

1

1

643

24 Jan 2019, 07:43

MGMAT CAT- In the the first m games of a team's season

rashedBhai

24 Jan 2019, 06:17

1

423

24 Jan 2019, 06:19

If x is an integer, and 3x^2 is even, then which of the following must

Bunuel

24 Jan 2019, 03:24

1

927

24 Jan 2019, 03:36

If a + b = 8 and a b = 0, what is a?

Bunuel

22 Jan 2019, 01:14

3

3

1,113

23 Jan 2019, 10:41

Which of the following sets includes ALL of the solutions of

AkamaiBrah

23 Jan 2019, 07:37

0

4,685

23 Jan 2019, 07:37

Substitution/elimination

rdkambow

22 Jan 2019, 11:51

1

1

656

22 Jan 2019, 12:04

In a company, 58 % of all its employees earn lesser than $50,000; 66 %

cfc198

22 Jan 2019, 10:34

1

804

22 Jan 2019, 10:43

If a+b>0 and a^b<0, which of the following must be true?

akurathi12

21 Jan 2019, 22:45

0

1,164

21 Jan 2019, 22:45

Time, rate & work: Right triangle PQR is to be constructed in the xy-p

Mahimab

21 Jan 2019, 11:28

0

250

21 Jan 2019, 11:28

The sides of a quadrilateral taken in order are 16,16,14 and

sunniboy007

07 Mar 2004, 14:23

1

9

4,814

20 Jan 2019, 22:32

How many 4 digit numbers can be formed using the digits 1, 2, 5, 6, 8

akurathi12

20 Jan 2019, 10:14

6

2

841

20 Jan 2019, 21:28

If n is a positive integer, what is the remainder when

udaymathapati

20 Jan 2019, 07:55

0

10,122

by: udaymathapati

20 Jan 2019, 07:55

An empty cylindrical tank with a radius of 5 inches and a height of 10

Bunuel

17 Jan 2019, 03:34

5

2,041

20 Jan 2019, 01:18

How many different four letter words can be formed (the words need not

Leonaann

19 Jan 2019, 19:55

1

1,199

19 Jan 2019, 21:56

Set A consists of the integers 2, 3, 5, 7, and 9. Set B consists of th

Bunuel

18 Jan 2019, 00:44

7

1,454

by: philipssonicare

18 Jan 2019, 22:24

If x is an integer greater than 2, the function f(x) represents the pr

divyadamahe

18 Jan 2019, 05:42

2

1

550

18 Jan 2019, 05:48

In traveling from city A to city B, John drove for 1 hour at 50 mph an

Sajjad1994

17 Jan 2019, 03:38

0

6,166

17 Jan 2019, 03:38

Two dice are rolled what is the probability that the sum will be great

mohagar

16 Jan 2019, 11:48

0

1,962

16 Jan 2019, 11:48

A garrison has sufficient food for 75 soldiers for a period of 90 days

cfc198

15 Jan 2019, 22:06

0

919

15 Jan 2019, 22:06

Triangles AED and BEC are formed using the straight lines AB and CD as

zubair123

15 Jan 2019, 11:12

4

2

1,781

15 Jan 2019, 11:12

idontknowwhy94

15 Jan 2019, 09:43

0

1,515

by: idontknowwhy94

15 Jan 2019, 09:43

The Greenpoint factory produced two-fifths of the Consolidated Brick C

Sajjad1994

15 Jan 2019, 08:51

0

1,933

15 Jan 2019, 08:51

A certain fruit stand sold apples for $0.70 each and bananas

Bunuel

15 Jan 2019, 04:39

0

15,600

15 Jan 2019, 04:39

Over a four-game stretch, Denniss bowling score averaged 240. By what

cfc198

15 Jan 2019, 03:36

3

676

15 Jan 2019, 04:09

When choose 3 out of 8 books, the probability of the most ex

pretttyune

10 Nov 2007, 20:39

1

10

12,970

15 Jan 2019, 02:44

John can eat x doughnuts in y minutes. If Chen can eat doughnuts three

kalita

14 Jan 2019, 19:23

0

1,541

14 Jan 2019, 19:23

Two identical square paintings are pasted on a rectangular wooden disp

zubair123

14 Jan 2019, 11:13

2

1

2,096

by: MahmoudFawzy

14 Jan 2019, 16:47

Times more than X?

BatuhanKavlak

14 Jan 2019, 07:16

1

855

14 Jan 2019, 07:18

On a certain street map, 3/4 inch represents one mile. What distance,

Sajjad1994

14 Jan 2019, 01:36

0

3,495

14 Jan 2019, 01:36

The mean of the set of the positive integers {4, 4, 5, 5, 6, x} is x^2

Bunuel

13 Jan 2019, 23:47

0

345

13 Jan 2019, 23:47

Mike just filled his truck's gas tank with 20 gallons

divyadamahe

13 Jan 2019, 22:09

1

1,263

13 Jan 2019, 22:11

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113351 posts