# IGCSE Mathematics Paper-1: Specimen Questions with Answers 154 - 156 of 324

## Question 154

EditAnita goes to a bank to change into riyals. The bank takes and then changes the remaining amount at a rate of riyals. How much does Anita receive in riyals?

### Describe in Detail

Essay▾### Explanation

Here, Anita goes to a bank to change into riyals.

The bank takes

So, now he has

Now, riyals.

## Question 155

### Explanation

Here, equation is and point passing through it is (4,0).

- So, (x, y) = (4,0) put it in the equation:

## Question 156

Edit

### Write in Short

Short Answer▾Look at the sequence of numbers

(a) Write down the next number in the sequence.

(b) Find the 8^{th} number in the sequence.

(c) Write an expression, in terms of n, for the nth number in the sequence.

### Explanation

Here, sequence is

(a) Here, these numbers are even numbers and also this sequence is having the numbers like:

So, here bold numbers are not in sequence, so **after 1620.** there will be

(b) Here, further sequence is like:

So, **32 8**will be the ^{th} **number** in the series.

(c) Expression in terms of n of sequence where **.**

- So, first term will get by:
- Second term will get by:
- Third term will get by: and so on.