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CBSE - Aptitude Mathematics
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Practice Question
Aptitude Mathematics
.
Aptitude Mathematics
In the geometric mean of x, 16, 50, be 20, then the value x is:
1. 40
2. 20
3. 10
4. 4
Correct Answer: 3
.
Related Questions
Aptitude Mathematics
1
Ishwar walked 15 km @ 5 km/hr and further 16 km @ 4 km/hr. What was his average speed during the journey?
1.31/7 km/hr
2.24/7 km/hr
3.9/2 km/hr
4.none of these
Correct Answer: 1
2
If Mohan's allowance is 10% less than Shyam's how much % is Shyam's allowance more than Mohan's?
1.8 1/3%
2.10.5%
3.9 1/11%
4.11 1/9%
Correct Answer: 4
3
What will be the volume of air enclosed in a conical tent of 6 mts. height, enclosing 200 sq.m of ground?
1. 400 cu.m
2. 300 cu.m
3. 1200 cu.m
4. 400 sq.m
Correct Answer: 1
4
A train travels at an average speed of 20 mph through urban areas, 50 mph through suburban areas, and 75 mph through rural areas. If a trip consists of traveling half an hour through urban areas, 3 1/2 hours through suburban areas, and 3 hours through rural areas, what is the train's average speed for the entire trip?
1. 50 mph
2. 53 2/7 mph
3. 54 3/7 mph
4. 58 4/7 mph
Correct Answer: 4
5
It is known that 20% of the mangoes are rotten. If the number of rotten mangoes is 35, then the total number of mangoes is
1. 150
2. 175
3. 180
4. 185
Correct Answer: 2
