Question 21 : Find the area of a right angled triangle whose hypotenuse is 10 cm and base 8 cm.
1. 34 sq.cm
2. 36 sq.cm
3. 24 sq.cm
4. 48 sq.cm
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Question 22 : Find the next term in the series: 3, 6, 9, 18, 27, 54, ...
1. 81
2. 69
3. 108
4. 72
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Question 23 : A father is 30 years older than his son. He will be three times as old as his son after 5 years. What is the father's present age?
1. 35
2. 45
3. 40
4. 30
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Question 24 : A goat is tied to one corner of a square plot of side 12m by a rope 7m long.Find the area it can graze?
1. 155 sq.m
2. 19.25 sq.m
3. 144 sq.m
4. 38.5 sq.m
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Question 25 : A student is ranked 13th from right and 8th from left. How many students are there in total?
1. 18
2. 19
3. 20
4. 21
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Question 26 : 4 men & 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?
1. 35 days
2. 40 days
3. 30 days
4. 25 days
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Question 27 : There are eight mango trees in a straight line. The distance between each mango tree with other is 3 metres. What is the distance between first tree and eighth tree?
1. 24 m
2. 27 m
3. 30 m
4. 21 m
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Question 28 : A man wants to reach a window which is 40 feet above the ground. The distance from the foot of the ladder to the wall is 9 feet. How long should the ladder be ?
1. 9 feet
2. 81 feet
3. 41 feet
4. 49 feet
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Question 29 : 10 cats caught 10 rats in 10 seconds. How many cats are required to catch 100 rats in 100 seconds
1. 100
2. 10
3. 20
4. 50
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Question 30 : What is the ratio of 12 minute to 1 hour ?
1. 3-Feb
2. 4-Mar
3. 5-Jan
4. 4-Jan
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