Find n such that n and n + 1 are factors of 40
Find n such that n and n + 1 are factors of 40
Question 1:
P is a prime number and a factor of 8. What is P?
Answer: P =
Question 2:
The greatest even factor of 62 is
Question 3:
The smallest multiple of 47 is
Question 4:
K is a prime number and a multiple of 43. What is K?
Answer: K =
Question 5:
The number 55 has factors.
Question 6:
In the following numbers, which has the most factors?
Answer:
Question 7:
In the following figure, AN = 5cm and AB = 8cm. NB = cm
Question 8:
Find the sum of all the factors of 19
Answer:
Question 9:
Find such that .
Answer: .
Question 10:
Find n such that n and n + 1 are factors of 40
Answer: n =
Question 1:
The smallest multiple of 47 is
Question 2:
Which of following numbers is prime?
Answer:
Question 3:
The smallest factor of 82 is
Question 4:
K is a prime number and a multiple of 43. What is K?
Answer: K =
Question 5:
In the following figure, AN = 5cm and AB = 8cm. NB = cm
Question 6:
In the following figure, RQ = 12cm and PR = 17cm. PQ = cm
Question 7:
List the first three multiple of 6.
(Write numbers in order from least to greatest and use “;”)
Answer:
Question 8:
The number 55 has factors.
Question 9:
Find n such that n and n + 1 are factors of 40
Answer: n =
Question 10:
If a, b are consecutive natural numbers and is divisible by 5 and 9 then a =
Question 1:
J is a factor and a multiple of 25. What is J?
Answer: J =
Question 2:
How many prime numbers are less than 10?
Answer: There are numbers.
Question 3:
The greatest even factor of 62 is
Question 4:
The smallest multiple of 47 is
Question 5:
Find the sum of all the factors of 19
Answer:
Question 6:
A prime number between 42 and 46 is
Question 7:
The number 55 has factors.
Question 8:
In the following figure, AN = 5cm and AB = 8cm. NB = cm
Question 9:
If m, n are consecutive odd numbers and is divisible by 3 and 5 then m =
Question 10:
The largest possible whole number that is less than 120 and has only 2 and 5 as prime factors is
Question 1:
The least common multiple of 330; 65; 15 is
Question 2:
Given seven numbers: 25; 17; 39; 43; 239; 1021; 1023.
The composite numbers are
(Write numbers in order from the least to the greatest and use ";")
Question 3:
The common factors of 18 and 27 are
(Write numbers in order from the least to the greatest and use ";")
Question 4:
Given the set of even numbers: {2; 4; 6; …; 100}.The number of elements is
Question 5:
Find four integer numbers a,b,c,d such that
a + b + c + d = 1
a + c + d = 2
a + b + d = 3
a + b + c = 4
Answer: (a;b;c;d)=()
Question 6:
Find a four-digit natural number that is less than 2015.If the thousands digit is erased,the number will be decreased by 9 times.
Answer:The number is
Question 7:
Calculate: 1×2+2×3+⋯+100×101=
Question 8:
The term of the expression A=1-7+13-19+25-31+⋯ is
Question 9:
Given the expression A= ...
Find the value of n such that 2A+3=
Answer: n=
Question 10:
A natural number has six digits and the units digit is 4.If the units digit is moved to the first row then the number will be increasedby 4 times.The number is
Find N such that
Answer: N =
How many pairs of (m,n) are there such that m^2 +n^2 =50
Answer: pairs.
Question 1:
Calculate: 626.35+525.36 =
Question 2:
There are 60 seats on a train. 40% of the seats are empty. How many empty seats are there in the train?
Answer: There are empty seats.
Question 3:
Convert:
Question 4:
The perimeter of the circle is cm
(Write your answer by decimal in the simplest form)
Question 5:
The area of the trapezoid below is 100 m2. Find x
Answer: x =
Question 6:
Calculate: 23.76+18.52+16.24+41.48 =
Question 7:
14 hours 25 minutes – 7 hours 45 minutes = hours 40 minutes
Question 8:
The value of m is
Question 9:
Form the smallest 5 – digit odd number using all the digits below.
Answer:
Question 10:
Find N such that
Answer: N =