Quantitative-aptitude Questions Set 142:
The unit digit in 2009! + 6^243 is:
Solution:
What is the average of the first 10 even numbers?
Solution:
If x + 1, 2x + 1, 4x - 1 are in AP, then the value of x is:
Solution:
What is the value of 25% of 30% of 45%?
Solution:
The sum of three numbers is 121. If the second number is twice the first and the third number is one-third of the second, then the numbers are:
Solution:
A boy goes to his school from his house at a speed of 3 km/h and returns at a speed of 2 km/h. If he takes 5 hours for the round trip, what is the distance between his house and school?
Solution:
The distance between two cities A and B is 330 km. A train starts from A at 8 a.m. and travels towards B at 60 km/h. Another train starts from B at 9 a.m. and travels towards A at 75 km/h. At what time do the two trains meet?
Solution:
In a packet of gems, there are 3 pink, 2 green, 2 yellow, 3 orange, 1 blue, and 1 red chocolates. 3 gems are selected one by one without replacement. Find the probability that the first is orange, the second is blue, and the third is also orange.
Solution:
Statements: Some keys are staplers. Some staplers are stickers. All the stickers are pens.
Conclusions:
- Some pens are staplers.
- Some stickers are keys.
- No sticker is key.
- Some staplers are keys.
Solution:
- A cuboid-shaped wooden block has 6 cm length, 4 cm breadth and 1 cm height.
- Two faces measuring 4 cm x 1 cm are coloured in black.
- Two faces measuring 6 cm x 1 cm are coloured in red.
- Two faces measuring 6 cm x 4 cm are coloured in green.
- The block is divided into 6 equal cubes of side 1 cm (from 6 cm side), 4 equal cubes of side 1 cm(from 4 cm side).
How many small cubes will be formed ?
Solution:
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