Practice30 Create account

Lata says the rule for 2, 6, 10, 14, … is $4 n$ . Is she right?

Class 7Formulas and Rules from PatternsAlgebra

ANo; the rule is $4 n + 2$
BNo; the rule is $2 n + 4$
CYes; it goes up by 4
DNo; the rule is $4 n - 2$

Step-by-Step Solution

4 n

gives 4, 8, 12, … — each 2 too big. So subtract 2:

4 n - 2

gives 2, 6, 10, 14 ✓.

Answer: D) No; the rule is

4 n - 2

Master this chapter in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Formulas and Rules from Patterns practice questions

More Class 7 Formulas and Rules from Patterns practice

Square tables are joined in a row and chairs are placed around them, as shown. Which…A school water tank is being emptied at a steady rate. The table shows the water left…A pattern follows the rule 3n + 2. By how much does each term increase from one term to…A pattern has term 1 = 9, term 2 = 13 and term 5 = 25, and it goes up by the same amount…A father's age is 4 times his son's age x. Which expression gives the sum of their ages…