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Question 1 of 10
1. Question
A mother wants to have 2 children, both girls. Find the probability that both children will be girls.
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Question 2 of 10
2. Question
The probability that the wife will survive in 10 years is 3/5 and that of her husband is 2/3. Find the probability that either one of them will survive.
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Question 3 of 10
3. Question
Simplify 2x 2/4x^2 – 4
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Question 4 of 10
4. Question
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Question 5 of 10
5. Question
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Question 6 of 10
6. Question
Jack can finish a certain job in 5 days. Jill can finish the same job in 7 days. Working together, in how many days they finish the job?
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Question 7 of 10
7. Question
Jay is twice as old as John ten years ago, he was 4 times as old as John. Find Jay’s present age.
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Question 8 of 10
8. Question
How many gallons of 30% solution of HCI acid should be added to 2 gallons of 15% solution of the same acid to make a 20% solution?
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Question 9 of 10
9. Question
x 3p, 2x 2p, 5x –p, _____.
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Question 10 of 10
10. Question
Value of n such that 324n0 is divisible by 3.
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