There are four prime numbers written in ascending order of magnitude. The product of the first three is 7429 and of the last three is 12673. Find the fourth number?

Related Mcqs:

1. There are four prime numbers written in ascending order of magnitude. The product of the first three is 385 and of the last three is 1001. Find the fourth number?

   A. 5
   B. 7
   C. 11
   D. 13

2. Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is________?

   A. 75
   B. 81
   C. 85
   D. 89

3. In a series of six consecutive even numbers, the sum of the second and sixth numbers is 24. What is the fourth number?

   A. 8
   B. 12
   C. 6
   D. 14
   E. None of these

4. Three numbers are in the ratio of 3 : 4 : 6 and their product is 1944. The largest of these numbers is :___________?

   A. 6
   B. 12
   C. 18
   D. None of these

5. The L.C.M of two numbers is 48. The numbers are in the ratio 2:3. The sum of numbers is__________?

   A. 28
   B. 32
   C. 40
   D. 64

6. The H.C.F and L.C.M of two numbers are 84 and 21 respectively. If the ratio of the two numbers is 1:4, then the larger of the two numbers is____________?

   A. 12
   B. 48
   C. 84
   D. 108

7. If the sum of two numbers is 55 and the H.C.F and L.C.M of these numbers are 5 and 120 respectively, then the sum of the reciprocal of the numbers is equal to___________?

   A. 55/601
   B. 601/55
   C. 11/120
   D. 120/11

8. The sum of five numbers is 655. The average of the first two numbers is 85 and the third number is 125. Find the average of the two numbers?

   A. 180
   B. 170
   C. 190
   D. 175

9. Three numbers are in the ratio 1:2:3 and their H.C.F is 12. The numbers are__________?

   A. 4, 8, 12
   B. 5, 10, 15
   C. 10, 20, 30
   D. 12, 24, 36

10. The sum of three numbers is 172. The ratio of the first and second numbers is 8:11. The ratio of the second and third is 5:7. Find the second number.

    A. 44
    B. 55
    C. 66
    D. 77