bySayantani Barman Experta en el extranjero
Question: How many prime numbers are there between 50 and 70?
- 2
- 3
- 4
- 5
- 6
Correct Answer: C
Approach Solution (1):
We need to determine the number of prime numbers which are between 50 and 70
Prime numbers greater than 50 and less than 70 are: 53 59, 61, and 67
Hence, number of primes between 50 and 70: 4
Approach Solution (2):
The prime numbers between 50 and 70 are:
53, 59, 61, and 67
So, there are 4 prime numbers.
“How many prime numbers are there between 50 and 70?”- is a topic of the GMAT Quantitative reasoning section of GMAT. This question has been taken from the book “GMAT Official Guide Quantitative Review”. To solve GMAT Problem Solving questions a student must have knowledge about a good amount of qualitative skills.
Suggested GMAT Problem Solving Questions
- The Interior Angles of a Polygon are in Arithmetic Progression GMAT Problem Solving
- The symbol ∆ Denotes One of The Four Arithmetic Operations: Addition, Subtraction, Multiplication, or Division GMAT Problem Solving
- GMAT Problem Solving- Find the greatest number that will divide 43, 91 and 183
- If \(2^{98}=256L+N\) , Where L and N are Integers and \(0 \leq N \leq 4\) , What is the Value of N? GMAT Problem Solving
- What is the Value of x? 1) x^2 + x + 10 = 16 2) x = 4y^4+2y^2+2 GMAT Problem Solving
- Six Bells Commence Tolling Together and Toll at Intervals of 2, 4, 6, 8 10 and 12 seconds Respectively GMAT Problem Solving
- Is Square Root = Always Positive? GMAT Problem Solving
- Excluding Stoppages, The Speed of a Bus is 54km/hr and Including Stoppage, It is 45km/hr GMAT Problem Solving
- For How Many Values of k is 12^12 the Least Common Multiple GMAT Problem Solving
- A Contractor Estimated that his 10-Man Crew Could Complete the Construction in 110 Days if There Was no Rain. GMAT Problem Solving
- If n = \(3^8\)– \(2^8\), Which of the Following is Not a Factor of n? GMAT Problem Solving
- Two Consultants, Mary and Jim, Can Type up a Report in 12.5 Hours and Edit it in 7.5 Hours. GMAT Problem Solving
- GMAT Problem Solving - The Price of Raw Materials Has Gone up by 15%
- Greg Assembles Units of a Certain Product at a Factory. GMAT Problem Solving
- After 6 Games, Team B Had an Average of 61.5 Points Per Game. GMAT Problem Solving
- If 10, 12 and ‘x’ are Sides of an Acute Angled Triangle, How Many Integer Values of ‘x’ are Possible? GMAT Problem Solving
- \(\frac{15^{11}-15^{10}}{14}=?\) GMAT Problem Solving
- For Any Four Digit Number, abcd, *abcd*= (3^a)(5^b)(7^c)(11^d) GMAT Problem Solving
- GMAT Problem Solving - Iqbal Dealt Some Cards to Mushtaq and himself from a Full Pack of Playing Cards
- A Rectangular Box has Dimensions 12*10*8 Inches GMAT Problem Solving
- √9+√80+√9−√80)2 GMAT Problem Solving
- What Is The Circumference Of The Semicircle In The Figure Shown? GMAT Problem Solving
- In a Trapezium ABCD, AB Is Parallel To DC, AB = 3*DC, And The Diagonals Of The Trapezium Intersect At O GMAT Problem Solving
- A Bag Contains 5 Red Balls And Some Blue Balls GMAT Problem Solving
- A Small Water Pump Would Take 2 Hours To Fill An Empty Tank GMAT Problem Solving
- ABCD Is An Isosceles Trapezium GMAT Problem Solving
- An Equilateral Triangle is Constructed on Each Side of a Square GMAT Problem Solving
- For A Negative Integer x, What Is The Value Of x * √(x^2)? GMAT Problem Solving
- Five Letters Are To Be Placed Into Five Addressed Envelopes GMAT Problem Solving
- Find The Number Of Trailing Zeros In The Product Of (1^1) GMAT Problem Solving
- Find The Altitude Of An Equilateral Triangle Whose Side is 20 GMAT Problem Solving
- Which of the following is the value of √3√0.000064? GMAT Problem Solving
- Two Dice are Thrown Simultaneously. What is the Probability of Getting Two Numbers Whose Product is Even? GMAT Problem Solving
- The Smallest 3-Digit Positive Integer Obtained By Adding Two Positive Two-Digit Numbers GMAT Problem Solving
- Train A Leaves New York at 9am Eastern Time on Monday, Headed for Los Angeles at a Constant Rate GMAT Problem Solving
- An Express Train Traveled At An Average Speed of 100 Kilometers Per Hour GMAT Problem Solving
- If m Lies Between The Integers p and s On the Number Line Shown GMAT Problem Solving
- A Cube Of Side 7 cm Is Coloured On Pair of Opposite Faces By Red, Green and Yellow Shades GMAT Problem Solving
- If x^2 − 5x − 6 = 0, which of the following could be x ? GMAT Problem Solving
- How Many Numbers Between 1 and 1000, Inclusive Have an Odd Number of Factors? GMAT Problem Solving
- GMAT Problem Solving- Given f(x) = x/(x + 1), For What Value k Does f(f(k)) = 2/3 ?
- Which Among the Following is the Smallest 7-digit Number that is Exactly Divisible by 43? GMAT Problem Solving
- During a Trip, Francine Traveled x Percent of the Total Distance at an Average Speed of 40 Miles GMAT Problem Solving
- Which of the Following Expressions CANNOT have a Negative Value? GMAT Problem Solving
- Which of the following is greatest? GMAT Problem Solving
- The Cost Price of 20 Articles is The Same as The Selling Price of x Articles GMAT Problem Solving
- In The Figure Shown, If The Area of The Shaded Region is 3 Times The Area of The Smaller Circular Region GMAT Problem Solving
- A Regular Hexagon has a Perimeter of 30 units GMAT Problem Solving
- All the Numbers 2, 3, 4, 5, 6, 7 are Assigned to the Six Faces of a Cube, One Number to Each Face GMAT Problem Solving
- If it is true that x > -2 and x < 7, which of the following must be true? GMAT Problem Solving
Comments