CIE Mathematics Paper-1: Specimen Questions 10 - 13 of 175

Question number: 10

Short Answer Question▾

Write in Short

Solve 573÷137 as a single fraction.

Explanation

Here,

573÷137

→223÷107

→223×710

→113×75

→7715

→5215

Question number: 11

Short Answer Question▾

Write in Short

Harsh’s height is 185 cm, to the nearest centimeter. Complete the statement about the limits of his height.

Explanation

Here, He is greater than or equal to 184.5 centimeters but less than 185.5 centimeters.

In mathematical form: 184.5centimeters≤Harsh’sheight<185.5centimeters

Question number: 12

Short Answer Question▾

Write in Short

The River Nile is 6700 kilometers long in nearest hundred kilometers. What can be said about the length, L kilometers, of the River Nile.

Explanation

Here, The River Nile is 6700 kilometers long.

  • So, nearest hundred kilometers can be 6600 km and 6800 km.
  • So, the statement about the length can be: 6600<L<6800.

Question number: 13

Essay Question▾

Describe in Detail

Solve with detailed working:

(a) 53+76=256

(b) 247+1514=32628

Explanation

Here,

(a) Left Hand Side (LHS) = 53+76=10+76=176

Right Hand Side (RHS) = 256=12+56=176

Thus, LHS = RHS.

(b) Left Hand Side (LHS) = 247+1514=187+1914=3614+1914=5514=3.93

Right Hand Side (RHS) = 32628=84+2628=11028=3.93

Thus, LHS = RHS.

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