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Wednesday, August 23 2017 @ 01:25 AM CDT
 Forum Index >  Test Paper Related >  Primary 6 Matters
 2 Maths questions
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By: Kuro (offline)  Sunday, June 16 2013 @ 11:24 PM CDT (Read 698 times)  
Kuro

Could some help solve the following 2 questions?

Q1. Alice had some apples and bananas.
3/4 of the apples and 6/7 of the bananas are in good condition.
9/11 of the good fruits are apples.
If the number of apples Alice had was 522 more than bananas, how many fruits did Alice have in all?
Ans: 774 fruits

Q2. The figure (in the attachment) is made of a semi circle. a quadrant and a square.
The area of the square is 784 cm2.
Find the total area of the shaded parts.
Express your answer to 2 decimal places.
Ans : 588 cm2

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By: echeewh (offline)  Monday, June 17 2013 @ 01:21 PM CDT  
echeewh

Hey Kuro,

Following pls find my worked solutions:

Q1.

GA : GB
9 : 2

(3/4)A = 9u
(4/4)A = 9u × (4/3) = 12u

(6/7)B = 2u
(7/7)B = 2u × (7/6) = (7/3)u

Given that number of Apples (A) was 522 more than Bananas (B ), we have ...

A - B = 522
12u - (7/3)u = 522
(29/3)u --> 522
1u --> 522 × (3/29) = 54

Total fruits (A + B ) = 12u + (7/3)u
12u + (7/3)u = (43/3)u --> (43/3) × 54 = 774

==========

Q2.

<posted 18/6>

Refer to attachment for my worked solution.

Answer should be 588.00 (as question stated - Express your answer to 2 decimal places. )

==========

Trust this helps.

Do let me know if there's further clarification.

Cheers,
Edward

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Posts: 625

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