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Number trip problems

Authored by Sree Lasya Telidevara

Other

8th Grade

Used 1+ times

Number trip problems
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8 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 3 pts

a) The trip is from 4 to 19.

b) You can travel only by adding 3 to the previous number or multiplying it by 2.

c) No other numbers or choice of operations is allowed.

In how many different ways can you reach 19 from 4?

1

2

3

4

2.

MULTIPLE CHOICE QUESTION

2 mins • 3 pts

1) The trip is from 5 to 30.

2) You can travel only by adding 5 to the previous number or multiplying it by 2.

3) No other number or choice of operations is allowed.

In how many different ways can you go from 5 to 30?

5

4

3

2

3.

MULTIPLE CHOICE QUESTION

2 mins • 3 pts

The starting station and end station are 3 and 27 respectively.

If you can travel only by multiplying 3 or adding 6, which of the following CANNOT be a sequence of operations performed in a trip?

+6, +6, +6, +6

x3, x3

x3, +6, +6

+6, x3, +6

4.

MULTIPLE CHOICE QUESTION

2 mins • 3 pts

Here's a trip from 10 to 100.

a) You can travel only by adding 10 or multiplying the previous number by 4.

b) No other operation is to be performed.

In how many different ways can you reach 100 from 10?

3

4

5

6

5.

MULTIPLE CHOICE QUESTION

2 mins • 3 pts

a) You have to travel from station 2 to station 40.

b) You can move ahead only by adding 8 to the previous station or multiplying it by 4.

What can be the least possible number of stations (including 2 and 40) in a trip?

6

5

4

3

6.

MULTIPLE CHOICE QUESTION

2 mins • 3 pts

The trip is from 15 to 120. If one can travel only by adding 15 or multiplying the previous number by 4, which of the following options represents the least and highest possible numbers of stations (including 15 and 120) in a trip respectively?

3, 6

3,7

4,8

3,8

7.

MULTIPLE CHOICE QUESTION

2 mins • 3 pts

If you can travel from letter F to Q only by adding 2 or 5 to the previous letter, in how many different ways can you finish a trip?

3

4

5

6

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