1.
The sum of the ages of three persons is 100 years. what will be the sum of their ages after 5 years:
2.
What is the remainder obtained when a prime number greater than 6 is divided by 6 ?
3.
What is 12 and half multiplied by itself?
4.
What least number should be subtracted from 26492518 so that the resulting number is divisible by 3 but not by 9 ?
5.
The final ratio of two quantities can be expressed as ⅜ : ⅓ .
6.
Which is greater x+4 or x-4 for any negative value of x ?
7.
CP of 12 articles is equal to the SP of 15 articles. Find profit or loss percent.
8.
The difference between two numbers is 7 and their sum is 35. What will be their product ?
11.
What is the maximum difference of two consecutive prime numbers up to 100 ?
12.
LCM of the group of given numbers is more than the greatest of these numbers.
13.
Two articles are sold for Rs.1 each. One is sold at a profit of 20% and other at a loss of 20%. Find the net profit or loss.
14.
Two numbers are in the ratio 3 : 4. LCM of these numbers is 108. Is it possible to find the HCF of these numbers?
15.
Using Vedic math, find the square of 9984.
16.
The value of 3360 ÷ 14 x 6 + 340 is:
17.
What is the last digit of the product of all the prime numbers up to 100 ?
18.
Find the HCF of first sixteen even multiples of 17.
19.
How many prime numbers are there in the first 150 natural numbers?
20.
Simplify: 3 . a° . b² . c°
