What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?
Jenifer and Jesica are having a conversation. Jenifer: I am definitely not over 30. Jesica: I am 28 and you are surely 5 years older to me at least. Jenifer: No, you are at least 29. You are told that both of them are lying throughout in the conversation. Can you find their respective ages?
Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L. Can you find an "ology" that begins with a P?
You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up. In how many different ways you can climb 10 stairs?
How can you make a TV, a bed, a dog, and a car liquid?
Which statement is true out of the following? One statement here is false. Two statements here are false. Three statements here are false.
All Marigolds are flowers. Few Flowers are used to make colors. Therefore, some Marigold are used to make colors. True Or False?
I have four wings but can't fly. I express no emotions. I am found on the exact spot every time you look. I keep toiling away with a little sound. Do you know what am I?
I have a clock(12-hour format) and both the needles of the clock overlap at 12:00. After how much time, they will overlap again?
What number comes next in the series? 5 15 5 18 5 24 14 20 _
Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.