What is sum of the product of the 1st & 5th prime numbers and the 3rd & 9th prime numbers?
Given:
First prime number = 2
Third prime number = 5
Fifth prime number = 11
Ninth prime number = 23
Solution:
First 10 prime number are 2, 3, 5, 7, 11, 13, 17, 19, 23,29
Product of 1st and 5th prime number is = =22
Product of 3rd and 9th prime number is = = 115
Sum of these product = 22 + 115 = 137
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60 Mins English English80 Questions160 Marks60 Mins English English20 Questions40 Marks25 Mins EnglishWhich is not formed by multiplying two consecutive primes?
Four prime numbers are arranged in ascending order. The product of first three numbers is 255 and the product of last three numbers is 1955. The largest prime number is
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For any three distinct prime numbers, all greater than 13, which of the following is NOT true?
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Which of the options below gives a pair of co-prime numbers?
Three numbers which are co-prime to each other are such that the product of the first two numbers is 143 and that of the last two numbers is 195. The sum of the three numbers is________
Suggested Test Series
Suggested Test Series
Which is not formed by multiplying two consecutive primes?
Four prime numbers are arranged in ascending order. The product of first three numbers is 255 and the product of last three numbers is 1955. The largest prime number is
The smallest prime number is -
For any three distinct prime numbers, all greater than 13, which of the following is NOT true?
The number of 2-digit prime numbers in which digits are also prime is:
Which of the following is a pair of co-prime numbers?
The product of the smallest prime number and the smallest composite number is …………..
Which of the following is a prime factor of 54?
Which of the options below gives a pair of co-prime numbers?
Three numbers which are co-prime to each other are such that the product of the first two numbers is 143 and that of the last two numbers is 195. The sum of the three numbers is________
