model 6 operations of consecutive numbers (odd, even, square, etc.) Section-Wise Topic Notes With Detailed Explanation And Example Questions

Question : 1

The sum of three consecutive natural numbers each divisible by 5, is 225. The largest among them is

a) 70

b) 85

c) 75

d) 80

Question : 2

Find three consecutive numbers such that twice the first, three times the second and four times the third together make 191.

a) 20, 21, 22

b) 19, 20, 21

c) 21, 22, 23

d) 22, 23, 24

Question : 3

The sum of three consecutive odd natural numbers is 87. The smallest of these numbers is :

a) 23

b) 29

c) 31

d) 27

Question : 4

Two positive whole numbers are such that the sum of the first number and twice the second number is 8 and their difference is 2. The numbers are :

a) 4,2

b) 7,5

c) 6,4

d) 3,5

Question : 5

Which one of the following is a factor of the sum of first twentyfive natural numbers ?

a) 13

b) 26

c) 24

d) 12

Question : 6

What is the sum of two consecutive even numbers, the difference of whose square is 84?

a) 42

b) 38

c) 34

d) 46