Question
There are 100 students in a class, out of which 70% are
girls and others are boys. The average score of girls in a test is 20% more than that of boys. If the average score of all the students is 57, then what is the average score of girls?Solution
The correct answer is A
The smallest natural number that must be added to 1212 to make it a perfect square is:
Find the unit digit of (62375Â - 7)
Find the number of zeros at the end of the following expression:
12 × 16 × 25 × 40 × 45
When a number is increased by 20% then the number obtained is 72 less than thrice the original number. Find the original number.
Product of two consecutive positive even numbers is 840. Find the sum of the digits of the two numbers. Â
The number of pencils with ‘Ravi’ and ‘Shyam’ together is 30 more than that with ‘Karan’, while the number of pencils with ‘Shyam’ and �...
If the 6-digit number '5a1897' is divisible by '11', determine the value of 'a'.
Product of two consecutive positive even numbers is 440. Find the sum of the digits of the two numbers.Â
- Find the least 5-digit number which leaves no remainder when divided by 22, 33, 44 and 66.
