# CIE Mathematics Paper-1: Specimen Questions 146 - 148 of 175

## Question number: 146

Solve

### Explanation

Here, equation is

• So, now multiply 6 with the terms inside the brackets:
• Now, simplify as: .

## Question number: 147

### Write in Short

The scale on a map is 1: 250000 and road is 4.6 centimeters long on the map. Find actual length of the road in kilometers.

### Explanation

Here, meaning of 1: 250000 is 1 cm long road is magnified by 250000 times on the map.

• So, here 4.6 cm long road on the map can be
• Now, 100 cm = 1 m, so 115000 cm =?

• Now, 1000 m = 1 km, so 11500 m =?

• So, length of road is 11.5 kilometers.

## Question number: 148

One Liner Question▾

Solve

### Explanation

Here,

• So, as per BODMAS calculation, expression will be:
• So, first of all as per BODMAS (Brackets, Order, Division, Multiplication, Addition, Subtraction) brackets will be removed, in that also first of all multiplication will be:
• Then in brackets subtraction will be:
• Now, in brackets multiplication will be:
• Now, division will be: .
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