1.
The difference between two numbers is 7 and their sum is 35. What will be their product ?
2.
What is the remainder obtained when a prime number greater than 6 is divided by 6 ?
3.
A man can do a work in 12 days, a woman can do the same work in 20 days and a child can do the same work in in 30 days. Who will do the work earlier? (a) Only man (b) Woman and child together
4.
A number 'n' is said to be 'perfect' if the sum of all its divisors (excluding 'n' itself ) is equal to n . An example of a perfect number is:
5.
Which of the following numbers lies in the middle of 3/4 and 7/4 ?
6.
Length, breadth and height of a match box is 4.5cm, 2.4cms and 1cm. What is the surface area of the match box?
7.
Using Vedic math, find the square of 9984.
8.
The average marks of 8 students is 29. Two more candidates with 31 and 27 join them. Find the new average.
9.
What the point of intersection of the altitudes of a triangles called ?
11.
If * means double of the first number added by five times the second number, then find ( 1 * 2 ) * 6.
12.
Which of the following are three distinct integers such that the sum of their reciprocals is an integer ?
13.
What is the unit's digit of the product of all prime numbers between 1 and 100 ?
14.
What should be added to -3/4 to get '-1' ?
15.
100 million is equal to :
17.
Find the HCF of first sixteen even multiples of 17.
19.
Find the value of 'x' if 2/3 x +3/8 =3/8
20.
In a division sum, the divisor is 12 times the quotient and 5 times the remainder. If the remainder is 48, then what is the dividend ?
