Question
The credit of making Historia naturalis goes
toSolution
Caius Plinius Secundus, also known as Pliny the Elder, was the author of “Naturalis Historia” (Natural History), an early encyclopedia.
Find the unit digit in (257)45 × (248)73.
A Student was asked to add 8 and subtract 5 from a number. By mistake, he added 5 and subtracted 8. If his answer is 11, what should be the correct answer?
- What is the remainder when

Which term of the arithmetic progression 88, 90, 92, 94... is 142?
15 15 60 540 8650
...Four friends are jogging on a circular track starting from the same point. Their strides are 48 cm, 54 cm, and 72 cm respectively. What is the least dis...
The total of six consecutive even numbers in Set A is 402. In Set B, the smallest number is 15 less than twice the smallest number in Set A. What is the...
A two-digit number has a sum of its digits equal to 12. Additionally, if 45 is subtracted from this number, the resulting number has its digits reversed...
What is the average of all the prime numbers which are less than 35?
In a school, girls constitute 45% of the total strength of the school. Out of total number of students, 20% students were selected for annual sports com...