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How many common letters do the words KANGAROO and PROBLEM have?
A.
1
B.
2
C.
3
D.
4
E.
5
Correct Answer B. 2
Explanation The words KANGAROO and PROBLEM have two common letters, which are "O" and "R".
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2.
When koko the koala does not sleep, he eats 50 grams of leaves per hour. yesterday, he slept 20 hours. How many grams of leaves did he eat yesterday?
A.
0
B.
50
C.
100
D.
200
E.
400
Correct Answer D. 200
Explanation Koko the koala slept for 20 hours yesterday, so he did not eat any leaves during that time. However, when he is awake, he eats 50 grams of leaves per hour. Therefore, the total amount of leaves he ate yesterday can be calculated by multiplying 50 grams per hour by the number of hours he was awake. Since he slept for 20 hours, he was awake for 24 - 20 = 4 hours. Therefore, he ate 50 grams/hour * 4 hours = 200 grams of leaves yesterday.
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3.
Diana and Farhan have 8 sweets. Diana has 2 less than Farhan. How many sweets does Farhan has?
A.
4
B.
3
C.
1
D.
5
E.
2
Correct Answer D. 5
Explanation Diana and Farhan have a total of 8 sweets. It is mentioned that Diana has 2 less than Farhan. Therefore, if we assume that Farhan has x sweets, Diana will have x - 2 sweets. The sum of their sweets is 8, so we can set up the equation x + (x - 2) = 8. Simplifying this equation, we get 2x - 2 = 8. Solving for x, we find that Farhan has 5 sweets.
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4.
Sara's birthday was yesterday. Tomorrow is thursday. what day was Sara's birthday?
A.
Tuesday
B.
Wednesday
C.
Friday
D.
Sunday
E.
Monday
Correct Answer A. Tuesday
Explanation Since Sara's birthday was yesterday and tomorrow is Thursday, we need to determine the day before Thursday. Counting backwards, Wednesday comes before Thursday. Therefore, Sara's birthday was on Tuesday.
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5.
Some candies were in a bowl. Sally took half of the candies. Then tom took half of the candies left in the bowl. After that clara took half of the remaining candies. In the end there were 6 candies in the bowl. How many candies were in the bowl at the begining?
A.
12
B.
18
C.
20
D.
24
E.
48
Correct Answer E. 48
Explanation If there were 6 candies left in the bowl at the end, and Clara took half of the remaining candies, then there were 6 * 2 = 12 candies before Clara took her share. Before Clara, Tom took half of the candies left, so there were 12 * 2 = 24 candies before Tom took his share. Before Tom, Sally took half of the candies left, so there were 24 * 2 = 48 candies at the beginning.