A cake mixture is having flour, sugar and butter in the ratio 7:5:3.The weight of the cakewhen baked is 13.5 kg.What is the weight of sugarin the baked cake?
Please attempt the above question timed, and then click below to reveal the
few second technique leading to the correct answer
Step 2. Realise the fact that 13.5 kg is 90% of 15kg
Step 3. Therefore weight of sugar is 90% of 5
= 4.5kg
Answer: 4.5kg
Time allowed: 30 seconds
Time taken using the technique: 3 seconds
Time saved = 27 seconds [9/10 th of time allowed by examiner]
WORK SHEET – Practice question
A wedding cake mixer is having flour, sugar and butter in the ratio 7:5:4. The weight of the cake when baked is 12.8 lbs. What is the weight of flour in the baked cake?
Technique © :
